ZF 8HP Transmission

8HP is ZF Friedrichshafen AG's trademark name for its 8-speed automatic transmission models with hydraulic converter and planetary gearsets for longitudinal engine applications. Designed and first built by ZF's subsidiary in Saarbrücken, Germany, it debuted in 2008 on the BMW 7 Series (F01) 760Li sedan fitted with the V12 engine. BMW remains a major customer for the transmission.

Another major customer is Stellantis, who both received a license to produce the transmission and set up a joint-venture plant with ZF. Stellantis has built the transmission at its Kokomo Transmission plant since 2013 under their own brand name, the Torqueflite 8. The joint venture plant in Gray Court, South Carolina opened in 2012.

The 8HP is the first transmission to use this 8-speed gearset concept. In the meantime it has become the new benchmark for automatic transmissions.

The GM 8L transmission is based on the same globally patented gearset concept. While fully retaining the gearset logic, it differs from this only in the patented arrangement of the components with gearsets 1 and 3 swapped. and

Specifications

2008: Pilot Series

The 8HP 70 transmission with the gearset 4 in 23-85-teeth-configuration was the pilot series and therefore without generation designation. It was first used in the BMW 7 Series (F01) 760Li, has a torque handling limit of , and weighs .

2010: 1st Generation

In addition to the rear-wheel drive variant, two different four-wheel drive versions were available, with a version destined for Volkswagen Group applications using a Torsen centre differential. It is able to encompass a torque range from to , and is available for use in middle-class cars through to large luxury sport utility vehicles.

Since gearset 4 meshes in almost all gears up to and including 5th gear, large gear wheels are advantageous for durability. As the very high ratio 1st gear is formed exclusively by gearset 4, its sun gear is unusually small. For this reason, this gearset was enlarged by over 20 % when the 1st generation was introduced, even if this advantage had to be given up again immediately when the 2nd generation was introduced in order to increase the total span.

2014: 2nd Generation

Efficiency improvements over the pilot design and the first generation include a wider ratio span of 7.81, reduced drag torque from the shift elements, reduction in required oil pump pressure, and broadened use of the coasting and start-stop systems. ZF estimated fuel economy improvement over first generation to be 3 %. Refinements were also made with respect to vibration.

2018: 3rd Generation

Major improvements are total span of 8.59 and a fuel economy improvement of 2.5 % compared to the second generation. There are several options in maximum torque available, also the gearbox is available with mild hybrid and plug in hybrid options: With and supporting boosting and recuperation in combination with 48 Volt technology up to and for usage with higher voltage.

2022: 4th Generation

Major improvement is the transition to a versatile modular system that allows vehicle manufacturers to comprehensively and flexibly electrify their models as required. Plug-in Hybrid options with up to and are capable of saving up to 70 % of carbon emissions compared with a purely conventional variant of the 8HP according to the Worldwide Harmonised Light Vehicles Test Procedure (WLTP). In addition, a modification to gearset 3 increased the reverse gear ratio, making it less disadvantageous. With this gearset concept, the already disadvantageously large step from 7th to 8th gear is further increased, albeit only slightly.

Progress Gearset Concept

Main Objectives

The main objective in replacing the predecessor model was to improve vehicle fuel economy with extra speeds and a wider gear span to allow the engine speed level to be lowered (downspeeding). Compared to the 6-speed ZF 6HP transmission it uses 12 % less fuel, and 14 % less than a 5-speed transmission. Due to changes in internal design, the shift times have reduced to 0.2 seconds; additionally, the unit brings the ability to shift in a non-sequential manner – going from gear 8 to gear 2 in extreme situations simply by changing one shift element (actuating brake B and releasing clutch D).

Extent

In order to increase the number of ratios, ZF has abandoned the conventional design method of limiting themselves to pure in-line epicyclic gearing and extended it to a combination with parallel epicyclic gearing. This was only possible thanks to computer-aided design and has resulted in a globally patented gearset concept. The resulting progress is reflected in a better ratio of the number of gears to the number of components used compared to existing layouts. The 8HP has become the new reference standard (benchmark) for automatic transmissions.

Quality Gearset Concept

The ratios of the 8 gears are relatively unevenly distributed in all versions. Particularly noticeable are the too small step between 3rd and 4th gear and the too large one between 7th and 8th gear. This cannot be eliminated without affecting all other gear ratios. On the other hand the selected gearset concept offers 2 to 3 gears more than conventional transmissions of comparable manufacturing costs, which more than compensates for the weaknesses.

{, class="wikitable collapsible" style="text-align:center"
, + Gear Ratio Analysis
!colspan="3", With Assessment
!colspan="4", Planetary Gearset: Teeth
! Count
! Total
Center
! Avg.
, -
, colspan="10" style="background:#AAF;",
, -
! Model
Type
!colspan=2, Version
! S₁
R₁
! S₂
R₂
! S₃
R₃
! S₄
R₄
! Brakes
Clutches
! Ratio
Span
! Gear
Step
, - style="font-style:italic;"
! Gear
Ratio
! R
${i_R}$
! 1
${i_1}$
! 2
${i_2}$
! 3
${i_3}$
! 4
${i_4}$
! 5
${i_5}$
! 6
${i_6}$
! 7
${i_7}$
! 8
${i_8}$
, -
! Step
! $-\tfrac{i_R} {i_1}$
! $\tfrac{i_1} {i_1}$
! $\tfrac{i_1} {i_2}$
! $\tfrac{i_2} {i_3}$
! $\tfrac{i_3} {i_4}$
! $\tfrac{i_4} {i_5}$
! $\tfrac{i_5} {i_6}$
! $\tfrac{i_6} {i_7}$
! $\tfrac{i_7} {i_8}$
, -
! Δ Step
! style="background:#DDF;",
! style="background:#DDF;",
! $\tfrac{i_1} {i_2} : \tfrac{i_2} {i_3}$
! $\tfrac{i_2} {i_3} : \tfrac{i_3} {i_4}$
! $\tfrac{i_3} {i_4} : \tfrac{i_4} {i_5}$
! $\tfrac{i_4} {i_5} : \tfrac{i_5} {i_6}$
! $\tfrac{i_5} {i_6} : \tfrac{i_6} {i_7}$
! $\tfrac{i_6} {i_7} : \tfrac{i_7} {i_8}$
!style="background:#DDF;",
, -
! Shaft
Speed
! $\tfrac{i_1} {i_R}$
! $\tfrac{i_1} {i_1}$
! $\tfrac{i_1} {i_2}$
! $\tfrac{i_1} {i_3}$
! $\tfrac{i_1} {i_4}$
! $\tfrac{i_1} {i_5}$
! $\tfrac{i_1} {i_6}$
! $\tfrac{i_1} {i_7}$
! $\tfrac{i_1} {i_8}$
, -
! Δ Shaft
Speed
! $0 - \tfrac{i_1} {i_R}$
! $\tfrac{i_1} {i_1} - 0$
! $\tfrac{i_1} {i_2} - \tfrac{i_1} {i_1}$
! $\tfrac{i_1} {i_3} - \tfrac{i_1} {i_2}$
! $\tfrac{i_1} {i_4} - \tfrac{i_1} {i_3}$
! $\tfrac{i_1} {i_5} - \tfrac{i_1} {i_4}$
! $\tfrac{i_1} {i_6} - \tfrac{i_1} {i_5}$
! $\tfrac{i_1} {i_7} - \tfrac{i_1} {i_6}$
! $\tfrac{i_1} {i_8} - \tfrac{i_1} {i_7}$
, -
, colspan="10" style="background:#AAF;",
, -
!colspan="10", 2008: Pilot Series
, -
! 8HP 70
, colspan="2",
, 48
96
, 48
96
, 69
111
, 23
85
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{108}{23}$
,
,
$\tfrac{162}{77}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{2}{3}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4879
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2845
, style="background:#FFC;",
, style="background:#FFC;", 1.2587
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1787
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0779
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5000
, 2.2319
,
, 3.6555
, 4.6957
,
, 7.0435
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5000
, style="background:#DFD;", 0.7319
, style="background:#DFD;",
, style="background:#DFD;", 0.8382
, style="background:#DFD;", 1.0401
, style="background:#DFD;",
, style="background:#DFD;", 1.4478
, -
!colspan="10", 2010: 1st Generation
, -
! HP 30/I
8HP 45
, colspan="2",

, 48
96
, 48
96
, 60
96
, 28
104
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{33}{7}$
,
,
$\tfrac{99}{47}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{2}{3}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4921
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2854
, style="background:#FFC;",
, style="background:#FFC;", 1.2581
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1805
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0781
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5000
, 2.2381
,
, 3.6576
, 4.7143
,
, 7.0714
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5000
, style="background:#DFD;", 0.7381
, style="background:#DFD;",
, style="background:#DFD;", 0.8390
, style="background:#DFD;", 1.0467
, style="background:#DFD;",
, style="background:#DFD;", 1.45058
, -
!colspan="10",
, -
! 8HP 55
8HP 65
8HP 70
8HP 90
, colspan="2",



, 48

96
, 48

96
, 69
111
, 28
104
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{33}{7}$
,
,
$\tfrac{99}{47}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{2}{3}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4921
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2847
, style="background:#FFC;",
, style="background:#FFC;", 1.2587
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1806
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0781
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5000
, 2.2381
,
, 3.6696
, 4.7143
,
, 7.0714
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5000
, style="background:#DFD;", 0.7381
, style="background:#DFD;",
, style="background:#DFD;", 0.8410
, style="background:#DFD;", 1.0447
, style="background:#DFD;",
, style="background:#DFD;", 1.4536
, -
!colspan="10", 2014: 2nd Generation
, -
! 8HP 75/I2nd Generation and 3rd Generation
, colspan="2",
, 48
96
, 48
96
, 69
111
, 28
104
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Ratio
,
,
,
,
,
,
,
,
,
, -
!colspan="10",
, -
! 8HP 30/II
8HP 50
, colspan="2",

, 48
96
, 54
96
, 60
96
, 24
96
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{5}{1}$
,
,
$\tfrac{15}{7}$
,
,
$\tfrac{1,507}{1,147}$
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
!Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4933
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.3139
, style="background:#FFC;",
, style="background:#FFC;", 1.2846
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1986
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0802
, style="background:#DFD;",
, style="background:#DDF;",
, -
!Speed
,
! 1.0000
, 1.5625
, 2.3333
,
, 3.8056
, 5.0000
,
, 7.8125
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.7708
, style="background:#DFD;",
, style="background:#DFD;", 0.8986
, style="background:#DFD;", 1.1944
, style="background:#DFD;",
, style="background:#DFD;", 1.7308
, -
!colspan="10",
, -
! 8HP 75/II
8HP 95
, colspan="2",

, 48
96
, 54
96
, 69
111
, 24
96
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{5}{1}$
,
,
$\tfrac{15}{7}$
,
,
$\tfrac{2,315}{1,763}$
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4933
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.3131
, style="background:#FFC;",
, style="background:#FFC;", 1.2853
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1986
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0802
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5625
, 2.3333
,
, 3.8078
, 5.0000
,
, 7.8125
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.7708
, style="background:#DFD;",
, style="background:#DFD;", 0.9008
, style="background:#DFD;", 1.1922
, style="background:#DFD;",
, style="background:#DFD;", 1.7344
, -
!colspan="10", 2018: 3rd Generation
, -
! 8HP 76/I
, colspan="2",
, 48
96
, 54
96
, 69
111
, 24
96
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Ratio
,
,
,
,
,
,
,
,
,
, -
!colspan="10",
, -
! 8HP 30/III
8HP 51
, colspan="2",

, 48
96
, 54
96
, 60
96
, 24
102
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{21}{4}$
,
,
$\tfrac{63}{29}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.5467
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.3161
, style="background:#FFC;",
, style="background:#FFC;", 1.2846
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.2246
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0820
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5625
, 2.4167
,
, 3.9892
, 5.2500
,
, 8.2031
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.8542
, style="background:#DFD;",
, style="background:#DFD;", 0.9369
, style="background:#DFD;", 1.2608
, style="background:#DFD;",
, style="background:#DFD;", 1.8173
, -
!colspan="10",
, -
! 8HP 76/II
, colspan="2",
, 48
96
, 54
96
, 69
111
, 24
108
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{11}{2}$
,
,
$\tfrac{11}{5}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.6000
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.3172
, style="background:#FFC;",
, style="background:#FFC;", 1.2853
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.2509
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0836
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5625
, 2.5000
,
, 4.1754
, 5.5000
,
, 8.5938
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.9375
, style="background:#DFD;",
, style="background:#DFD;", 0.9777
, style="background:#DFD;", 1.3246
, style="background:#DFD;",
, style="background:#DFD;", 1.8321
, -
!colspan="10", 2022: 4th Generation
, -
! 8HP 100
, colspan="2",

, 48
96
, 54
96
, 60
108
, 24
96
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{5}{1}$
,
,
$\tfrac{15}{7}$
,
,
$\tfrac{1,571}{1,211}$
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.4933
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2973
, style="background:#FFC;",
, style="background:#FFC;", 1.3011
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.1986
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0803
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5625
, 2.3333
,
, 3.8542
, 5.0000
,
, 7.8125
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.7708
, style="background:#DFD;",
, style="background:#DFD;", 0.9473
, style="background:#DFD;", 1.1458
, style="background:#DFD;",
, style="background:#DFD;", 1.8080
, -
!colspan="10",
, -
! 8HP 80
, colspan="2",

, 48
96
, 54
96
, 60
108
, 24
108
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{11}{2}$
,
,
$\tfrac{11}{5}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{16}{25}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.6000
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.3010
, style="background:#FFC;",
, style="background:#FFC;", 1.3011
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.2509
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0834
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5625
, 2.5000
,
, 4.2275
, 5.5000
,
, 8.5938
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5625
, style="background:#DFD;", 0.9375
, style="background:#DFD;",
, style="background:#DFD;", 1.0298
, style="background:#DFD;", 1.2725
, style="background:#DFD;",
, style="background:#DFD;", 1.9888
, -
!colspan="10", 2016: Racing Cars
, -
! 8P 45R
, colspan="2", up to

, TBD
, TBD
, 60
96
, TBD
, 2
3
,
TBD
, style="background:#FFC;",
, - style="font-style:italic;"
! Ratio
, TBD
, TBD
, TBD
, TBD
, TBD
, TBD
, 1.0000
, TBD
, TBD
, -
!colspan="10", 2017: Commercial Vehicles
, -
! 8AP 600 T
8AP 800 T
8AP 1000 T
8AP 1200 T
, colspan="2",



, 65
115
, 65
115
, 62
122
, 27
105
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{44}{9}$
,
,
$\tfrac{1,584}{779}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{23}{36}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.5361
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2541
, style="background:#FFC;",
, style="background:#FFC;", 1.3148
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.2381
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0535
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5652
, 2.4043
,
, 3.8983
, 4.8889
,
, 7.6522
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5652
, style="background:#DFD;", 0.8391
, style="background:#DFD;",
, style="background:#DFD;", 0.9153
, style="background:#DFD;", 0.9906
, style="background:#DFD;",
, style="background:#DFD;", 1.8322
, -
!colspan="10",
, -
! 8AP 1200 S

, colspan="2",
, 65
115
, 65
115
, 65
115
, 27
105
, 2
3
,

, style="background:#FFC;",
, - style="font-style:italic;"
! Gear
Ratio
,
,
$\tfrac{44}{9}$
,
,
$\tfrac{1,584}{779}$
,
,
,
$\tfrac{1}{1}$
,
,
$\tfrac{23}{36}$
, -
! Step
,
! 1.0000
, style="background:#FFC;",
, style="background:#FFC;", 1.5361
, style="background:#FFC;",
, style="background:#FFC;",
, style="background:#FFC;", 1.2676
, style="background:#FFC;",
, style="background:#FFC;", 1.2999
, -
! Δ Step
, style="background:#DDF;",
, style="background:#DDF;",
, style="background:#DFD;",
, style="background:#DFD;", 1.2381
, style="background:#DFD;",
, style="background:#DFD;",
, style="background:#DFD;", 1.0527
, style="background:#DFD;",
, style="background:#DDF;",
, -
! Speed
,
! 1.0000
, 1.5652
, 2.4043
,
, 3.8568
, 4.8889
,
, 7.6522
, -
! Δ Speed
,
! 1.0000
, style="background:#DFD;", 0.5652
, style="background:#DFD;", 0.8391
, style="background:#DFD;",
, style="background:#DFD;", 0.8738
, style="background:#DFD;", 1.0321
, style="background:#DFD;",
, style="background:#DFD;", 1.7654
, -
, colspan="10" style="background:#AAF;",
, -
! ''Ratio''
''R & Even''
, colspan="2", $i_R = \tfrac{R_2 (S_3 S_4- R_3 R_4)} {S_3 S_4 (S_2+ R_2)}$
, colspan="2", $i_2 = \tfrac{R_2 (S_4+ R_4)} {(S_2+ R_2) S_4}$
, colspan="2", $i_4 = 1+\tfrac{S_2 R_1} {S_1 (S_2+ R_2)}$
, $i_6 = \tfrac{1} {1}$
, colspan="2", $i_8 = \tfrac{R_2} {S_2 + R_2}$
, -
! ''Ratio''
''Odd''
, colspan="2", $i_1 = \tfrac{S_4+ R_4} {S_4}$
, colspan="2", $\tfrac{(S_1+ R_1) (S_4+ R_4)} {S_4 R_1+ S_1 (S_4+ R_4)}$
, colspan="3", $\tfrac{S_1 R_2 R_4 (S_3+ R_3)+ S_2 S_3 (S_1+ R_1) (S_4+ R_4)} {S_1 R_4 (S_3 (S_2+ R_2)+ R_2 R_3)+ S_2 S_3 S_4 (S_1+ R_1)}$
, colspan="2", $\tfrac{R_2 (S_3+ R_3)} {R_2 (S_3+ R_3)+ S_2 S_3}$
, -
!colspan=10, Algebra And Actuated Shift Elements
, -
! Brake A
, ❶
, ❶
, ❶
,
,
,
,
, ❶
, ❶
, -
! Brake B
, ❶
, ❶
, ❶
, ❶
, ❶
, ❶
,
,
,
, -
! Clutch C
,
, ❶
,
, ❶
,
, ❶
, ❶
, ❶
,
, -
! Clutch D
, ❶
,
,
,
, ❶
, ❶
, ❶
, ❶
, ❶
, -
! Clutch E
,
,
, ❶
, ❶
, ❶
,
, ❶
,
, ❶
, -
, colspan="10" style="background:#AAF;",
, -
, colspan="10",
, -
, colspan="10" style="background:#AAF;",

Applications

{, class="wikitable collapsible" style="text-align:center"
, + Variants And Applications
, -
! Model
! Max. torque petrol
! Max. torque diesel
!colspan="4", Car Model
, -
, colspan=7 style="background:#AAF;",
, -
!colspan=7, 2008: Pilot Series (8HP 70 only) · 2010: 1st Generation
, -
! 8HP 45
, rowspan="2",
, rowspan="2",
, BMW 1 Series (F20)
BMW X1 (E84)
BMW 2 Series (F22) M235i
BMW 3 Series (F30)
BMW 4 Series (F32)
BMW 5 Series (F10/F11)
, BMW 6 Series (F06/F12/F13)
BMW 7 Series (F01/F02)
BMW X3 (F25)
BMW X4 (F26)
BMW X5 (E70) 35i
BMW X5 (F15)
BMW X6 (F16)
, BMW Z4 (E89)
Jaguar XE
Jaguar XF (X250) (2013–2015)
Jaguar XJ (2013–)
Lancia Thema V6
Land Rover Range Rover (L322) (2011–2012)
, Land Rover Range Rover (L405) (2012–)
Land Rover Range Rover Velar I4 (2017–)

, -
! Torqueflite 845RE
, Chrysler 300 3.6 L Pentastar V6 (2011–2023)
Chrysler 300 C
Dodge Challenger 3.6 L Pentastar V6 (2015–2023)
, Dodge Charger 3.6 L Pentastar V6 (2012–2023)
Dodge Durango 3.6 L Pentastar V6 (2014–2017)
, Jeep Grand Cherokee (WK2) 3.6 L Pentastar V6 (2014–2016)
, Ram 1500 3.6 L Pentastar V6 (2012–2019)
, -
! 8HP 55
, rowspan=2,
, rowspan=2,
, Audi A4 ''North American (US) B8/8.5 Quattro Versions'' (2011–)
, Audi A5 ''North American (US) B8/8.5 Quattro Versions'' (2011–)
, Audi A6 (C7)
Audi A7 (C7)
Audi A6 Hybrid (C7)
, Audi S4 (B9)
Audi S5 (B9)
, -
! 8HP 65
, Audi A4 (B9)
, Audi A6 Hybrid (C7 PHEV) PR China
, Audi A6 (C8)
Audi A7 (C8)
Audi Q7 (4M)
Audi Q8
, Audi A8 (D4)
Audi A8 (D5)
Audi S6 (C8)
Porsche Cayenne (2018-)
Volkswagen Touareg (2018-)
, -
! 8HP 70
Pilot
&
1st
,
,
, Alpina B3 (F30/F31)
Alpina D3 (F30/F31)
Alpina B3 (G20/G21)
Alpina D3 (G20/G21)
Alpina B4 (F32/F33)
Alpina D4 (F32/F33)
Alpina XD4
Aston Martin Rapide S 2014–2020
Aston Martin Vanquish 2015–2018
Audi Q5 8AT version
Audi Q7 (2011–2015)
BMW 3 Series (F30) 330d & 335d
BMW 4 Series (F32) 430d & 435d
BMW 5 Series (F10/F11)
BMW 7 Series (F01/F02)
BMW X5 (E70) 50i
Chrysler 300 5.7 L HEMI V8 (2015–2023)
Dodge Challenger 5.7 L HEMI V8 (2015–2023)
, Dodge Charger 5.7 L HEMI V8 (2015–2023)
Dodge Charger 6.4 L HEMI V8
Dodge Durango 5.7 L HEMI V8
Dodge Durango 6.4 L HEMI V8
Haval H9 (2017–)
Iveco Daily (2014–)
Jaguar F-Type V6 & V8
Jaguar XE 35t
Jaguar XF (X250) (2013–2015)
Jaguar XJ (2013–)
Jeep Grand Cherokee (WK2) 5.7 L HEMI V8 Engine Code EZH & 6.4 L HEMI V8 Engine Code ESG (2014–)
Jeep Grand Cherokee (WK2) 3.0 L EcoDiesel V6 (2014–2016)
, Jeep Grand Cherokee WL & L 5.7 L HEMI V8 (2021–)
Land Rover Discovery LR4 (2009–2016)
Land Rover Range Rover Sport L320 SDV6 only (2012–2013)
Land Rover Range Rover (L322) TDV8 only (2011–2012)
Land Rover Range Rover (L405) (2012–)
Land Rover Range Rover Sport L494 (2012–)
Land Rover Range Rover Velar V6 & V8 (2017–)
MAN TGE (longitudinal engine only) (2017–)
Maserati Ghibli (M157)
Maserati Grecale
Maserati Levante
, Maserati Quattroporte (2013–)
Morgan Plus Six
Porsche Panamera Diesel & Hybrid models only (2009–2016)
Porsche Cayenne (2011–2018)
Ram 1500 5.7 L HEMI V8 (2012–2019)
Ram 1500 3.0 L EcoDiesel V6 (2013–2019)
Rolls-Royce Phantom VII
Rolls-Royce Phantom VIII
Volkswagen Touareg (2011–2018)
Volkswagen Amarok (2012–2020)
Volkswagen Crafter SY/SZ (longitudinal engine only) (2017–)
, -
! 8HP 90
,
,
, Audi Q7 V8 TDI only (2011–2015)
Audi A8 (D4)
Audi RS6 (C7)
Bentley Mulsanne (2010)
Bentley Continental GT 2nd gen. (2011–2018)
, BMW 760i/Li (F01/F02)
Dodge Challenger SRT Hellcat 6.2 L HEMI V8 Supercharged
, Dodge Charger SRT Hellcat 6.2 L HEMI V8 Supercharged
Porsche Cayenne (2011–2018) Turbo models and V8 Diesel only
Rolls-Royce Ghost
, Rolls-Royce Wraith (2013)
Volkswagen Touareg V8 TDI only (2011–2018)
, -
!colspan=7, 2014: 2nd Generation
, -
! 8HP 50
, rowspan="2",
, rowspan="2",
, Alfa Romeo Giulia
Alfa Romeo Stelvio
BMW 1 Series (F20) LCI
BMW X1 (E84)
BMW 2 Series (F22) M240i
BMW 3 Series (F30) LCI
, BMW 4 Series (F32) LCI
BMW 5 Series (F10//F11)
BMW 5 Series (G30/G31)
BMW 7 Series (G11/G12)
BMW X3 20D (G01)
BMW X3 30i (G01)
BMW X3 M40i (G01)
, BMW X4 20D (G02)
BMW X4 30i (G02)
BMW X4 M40i (G02)
BMW X7
Jaguar F-Pace (2016–)
Jaguar XF (X260) (2016–)
Jaguar XJ (–2019)
, Land Rover Defender (L663) (2019–)
Land Rover Range Rover (L405) (–2022)
Land Rover Range Rover (L460) (2022–)
Maserati Grecale
Hongqi H9 V6 (2024–)
CMC Zinger (2023–)
, -
! Torqueflite 850RE
, Dodge Charger Pursuit V6 (2021–2023)
Dodge Durango 3.6 L Pentastar V6 (2017–)
, Jeep Gladiator (JT) 3.6 L Pentastar V6 (2019–)
Jeep Grand Cherokee (WK2) 3.6 L Pentastar V6 (2017–2021)
Jeep Grand Cherokee WL & L 2.0 L I4 (2021–)
, Jeep Grand Cherokee WL & L 3.6 L Pentastar V6 (2021–)
Jeep Wrangler/Unlimited (JL) 2.0 L I4 Hurricane Turbocharged (2017–)
, Jeep Wrangler/Unlimited (JL) 3.6 L Pentastar V6 (2017–)
Ram 1500 (DT) 3.6 L Pentastar V6 (2019–)
, -
! 8HP 75
, rowspan=2,
8HP 75 Data Sheet · p. 4 · Saarbruecken 2016
, rowspan=2,

, Alfa Romeo Giulia Quadrifoglio
Alfa Romeo Stelvio Quadrifoglio
Alpina B5 (G30/G31)
Alpina D5 (G30/G31)
Alpina B6 (F12) Gran Coupé (2014)
Alpina XD3
Alpina XB7
Aston Martin DB11
Aston Martin Vantage (2018) V8
, BMW 5 Series (G30/G31)
BMW M5 (F90)
BMW 7 Series (G11/G12)
BMW X3 30D (G01)
BMW X5 (F15)
BMW X5 (F85) M
BMW X6 (F86) M
BMW X7
Jaguar F-Pace (2016–)
Jaguar XF (X260) (2016–)
Jaguar XJ (–2019)
Jeep Gladiator (JT) 3.0 L EcoDiesel V6 (2020–2023)
, Jeep Grand Cherokee (WK2) 3.0 L EcoDiesel V6 (2017–2021)
Jeep Wagoneer/Grand Wagoneer (WS) (2021–)
Jeep Wrangler 392 (2021–)
Jeep Wrangler/Unlimited (JL) 6.4 L HEMI V8 (2021–)
Jeep Wrangler/Unlimited (JL) 3.0 L EcoDiesel V6 (2020–2023)
, JMC Vigus
Land Rover Defender (L663) (2019–)
Land Rover Discovery L462 (2017–)
Land Rover Range Rover (L405) (–2022)
Land Rover Range Rover (L460) (2022–)
Ram 1500 (DT) 5.7 L HEMI V8 (2019–)
Ram 1500 (DT) 3.0 L EcoDiesel V6 (2019–2023)
, -
! 8HP 75-LCV
, Ram 2500 6.4 L HEMI V8 (2018–)
, Ram 3500 6.4 L HEMI V8 (2018–)
,
,
, -
! 8HP 95
,
,
, Aston Martin DBS Superleggera
Audi S8
Audi RS6
Audi RS7
Audi SQ7
, Audi Q8
Audi RS Q8
, Bentley Bentayga
Bentley Flying Spur (2013) 2014–2019
BMW M760i/Li
Dodge Durango SRT Hellcat 6.2 L HEMI V8 Supercharged
, Jeep Grand Cherokee (WK2) SRT Trackhawk 6.2 L HEMI V8 Supercharged
Lamborghini Urus
Porsche Cayenne Turbo models only (2018-)
Ram 1500 (DT) TRX 6.2 L HEMI V8 Supercharged (2020–)
, Rolls-Royce Ghost Black Badge
Rolls-Royce Wraith (2013) Black Badge
Rolls-Royce Dawn Black Badge
Rolls-Royce Cullinan
Volkswagen Touareg V8 TDI only (2018-)
, -
!colspan=7, 2018: 3rd Generation
, -
! 8HP 51
,
,
, BMW 2 Series (G42)
BMW 3 Series (G20)
BMW 4 Series (G22)
, BMW Z4 (G29)
BMW X3 M40i (G01)
, BMW X4 M40i (G02)
Jaguar XE 20d RWD (2019–)
, Morgan Plus Four
Toyota GR Supra
, -
! 8HP 76
,
,
, Alpina B7 (G11/12)
Alpina B8
BMW 3 Series (G20/G21) M340dX & 330d & 330dX
, BMW 4 Series (G22/G23) M440dX & 430d & 430dX
BMW M3 (G80/G81)
, BMW M5 (F90) (2020–)
BMW M8 (F91/F92/F93)
, BMW 730d (G11/G12) LCI
BMW 8 Series (G15)
BMW X5 (F95) M
BMW X7
, -
!colspan=7, 2022: 4th Generation
, -
! 8HP 80
,
,
, BMW 7 Series (G70/G73)
, BMW X5 (G05)
BMW X5 M (F95)
, BMW X6 (G06)
BMW X6 M (F96)
, BMW X7(G07 LCI)
Alpina XB7 (G07)
Hongqi Guoya
, -
! 8HP 100
,
,
, BMW XM (G09)
, BMW M5 (G90)
,
,
, -
!colspan=7, 1st–3rd Generation
, -
! 8HP 30
,
,
, BMW 1 Series (F20) 116i
, BMW X1 (E84)
,
,
, -
!colspan=7, Various
, -
! 8HP TBD
,
,
, AEBI MT750
Great Wall Pao (2019–)
, Great Wall Tank 300 (2020–)
, Haval H8 (2017–2018)
Ineos Grenadier
, VinFast LUX A2.0
VinFast LUX SA2.0
, -
, colspan=7 style="background:#AAF;",
, -
, colspan=7,
, -
, colspan=7 style="background:#AAF;",

See also

* List of Chrysler transmissions
* List of ZF transmissions

References

External links

* {{Official website

8HP
Automatic transmission tradenames
Chrysler transmissions
Chrysler
Auto parts