ZF 8HP
Automatic Transmission 8HP70
Overview
ManufacturerZF Friedrichshafen
Production2008–present
Body and chassis
Class8-speed automatic transmission
RelatedGM 8L45
GM 8L90
Chronology
PredecessorZF 6HP transmission

The ZF 8HP transmission is ZF Friedrichshafen AG's trademark name for its 8-speed automatic transmission models for longitudinal engine applications. The name is short for 8-speed transmission with hydraulic converter and planetary gearsets. Designed and first built by ZF's subsidiary in Saarbrücken, Germany, it debuted in 2008 on the BMW 7 Series (F01) 760Li saloon 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.[1][2] The joint venture plant in Gray Court, South Carolina opened in 2017.[3]

Design

One of the main aims of the ZF 8HP transmission is to improve vehicle fuel economy with extra speeds. Compared to the six-speed ZF 6HP transmission it uses 12% less fuel, and 14% less than a 5-speed transmission.[4][5] Due to changes in internal design, the shift times have reduced to 200 milliseconds; additionally, the unit brings the ability to shift in a non-sequential manner – going from gear 8 to gear 2 in extreme situations.[6] In the 8HP70 version, it has a torque handling limit of 700 N⋅m (520 lbf⋅ft), and weighs 87 kg (192 lb).[7]

First generation 8HP products were released starting in 2010.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.[8] It is able to encompass a torque range from 300 N⋅m (220 lbf⋅ft) to 1,000 N⋅m (740 lbf⋅ft), and is available for use in middle-class cars through to large luxury sport utility vehicles.[8]

Second generation 8HP products were released starting in 2014. Efficiency improvements over the original design and the first generation include a wider ratio spread of 7.8:1, reduced drag torque from the shift elements, reduction in required oil pump pressure, and broadened use of the coasting and start-stop systems.[9] ZF estimated fuel economy improvement over first generation 8HP kits to be 3%. Refinements were also made with respect to vibration.

Third generation 8HP products were released starting in 2018. Major improvements are total spread of 8.6 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 15 kW and 200 Nm supporting boosting and recuperation in combination with 48 Volt technology up to 90 kW and 250 NM for usage with higher voltage.[10]

Specifications

Preliminary note

Below is a table of reference gear ratios as provided with the ZF 8HP transmission, though actual implementations may differ depending on the tuning and specifications of individual vehicle manufacturers such as BMW, Audi, and Chrysler. Differences in gear ratios have a measurable, direct impact on vehicle dynamics, performance, waste emissions as well as fuel mileage.

Technical data

Gear teeth and ratios Planetary gearset: teeth Count Total Avg.
Model Version
First delivery
Sun 1 
Ring 1 
Sun 2 
Ring 2 
Sun 3 
Ring 3 
Sun 4 
Ring 4 
Brakes
Clutches
Ratio
span
Gear
step
Gear R 1 2 3 4 5 6 7 8
8HP 70[lower-alpha 1] 700 N⋅m (516 lb⋅ft) · 2008 48[11]
96
48[11]
96
69[12]
111
23[12]
85
2
3
7.0435 1.3216
Ratio –3.2968 4.6957 3.1304 2.1039 1.6667 1.2845 1.0000 0.8392 0.6667
1st Generation
8HP 30/I
8HP 45
300 N⋅m (221 lb⋅ft) · 2010
450 N⋅m (332 lb⋅ft) · 2010
48
96
48
96
60
96
28
104
2
3
7.0714 1.3224
Ratio –3.2952 4.7143 3.1429 2.1064 1.6667 1.2854 1.0000 0.8387 0.6667
8HP 55
8HP 65
8HP 70
8HP 90
650 N⋅m (479 lb⋅ft) · 2010
650 N⋅m (479 lb⋅ft) · 2010
700 N⋅m (516 lb⋅ft) · 2010
900 N⋅m (664 lb⋅ft) · 2010
48[11][13]
96
48[11][13]
96
69
111
28
104
2
3
7.0714 1.3224
Ratio –3.3168 4.7143 3.1429 2.1064 1.6667 1.2847 1.0000 0.8392 0.6667
2nd Generation
8HP 75/I[14] 740 N⋅m (546 lb⋅ft) · 2014 48
96
48
96
69
111
28
104
2
3
7.0714 1.3224
Ratio –3.3168 4.7143 3.1429 2.1064 1.6667 1.2847 1.0000 0.8392 0.6667
8HP 30/II[14]
8HP 50[14]
300 N⋅m (221 lb⋅ft) · 2014
500 N⋅m (369 lb⋅ft) · 2014
48
96
54
96
60
96
24
96
2
3
7.8125 1.3413
Ratio –3.4560 5.0000 3.2000 2.1429 1.7200 1.3139 1.0000 0.8221 0.6400
8HP 75/II[14]
8HP 95[lower-alpha 2]
740 N⋅m (546 lb⋅ft) · 2014
900 N⋅m (664 lb⋅ft) · 2014
48
96
54
96
69
111
24
96
2
3
7.8125 1.3413
Ratio –3.4783 5.0000 3.2000 2.1429 1.7200 1.3131 1.0000 0.8226 0.6400
3rd Generation
8HP 76/I[lower-alpha 3] 760 N⋅m (561 lb⋅ft) · 2018 48
96
54
96
69
111
24
96
2
3
7.8125 1.3413
Ratio –3.4783 5.0000 3.2000 2.1429 1.7200 1.3131 1.0000 0.8226 0.6400
8HP 30/III[lower-alpha 4]
8HP 51[lower-alpha 5]
300 N⋅m (221 lb⋅ft) · 2018
500 N⋅m (369 lb⋅ft) · 2018
48
96
54
96
60
96
24
102
2
3
8.2031 1.3507
Ratio –3.7120 5.2500 3.3600 2.1724 1.7200 1.3161 1.0000 0.8221 0.6400
8HP 76/II[lower-alpha 6]
8HP 80[lower-alpha 7]
760 N⋅m (561 lb⋅ft) · 2018
800 N⋅m (590 lb⋅ft) · 2018
48
96
54
96
69
111
24
108
2
3
8.5938 1.3597
Ratio –3.9930 5.5000 3.5200 2.2000 1.7200 1.3172 1.0000 0.8226 0.6400
Racing Cars
8P 45R[lower-alpha 8] 450 N⋅m (332 lb⋅ft) · 2016
up to 1,050 N⋅m (774 lb⋅ft)[20]
TBD TBD 60
96
TBD 2
3
4.2 1.2275
Ratio TBD TBD TBD TBD TBD TBD 1.0000 TBD TBD
Commercial Vehicles[lower-alpha 9]
8AP 600 T[lower-alpha 10]
8AP 800 T
8AP 1000 T
8AP 1200 T
600 N⋅m (443 lb⋅ft) · 2017
800 N⋅m (590 lb⋅ft) · 2017
1,000 N⋅m (738 lb⋅ft) · 2017
1,200 N⋅m (885 lb⋅ft) · 2017[lower-alpha 11]
65[lower-alpha 12]
115
65[lower-alpha 12]
115
62
122
27
105
2
3
7.6522 1.3374
Ratio –4.2501 4.8889 3.1235 2.0334 1.6389 1.2541 1.0000 0.8400 0.6389
8AP 1200 S
[lower-alpha 13]
1,200 N⋅m (885 lb⋅ft) · 2017[lower-alpha 11] 65[lower-alpha 12]
115
65[lower-alpha 12]
115
65[lower-alpha 12]
115
27
105
2
3
7.6522 1.3374
Ratio –3.7569 4.8889 3.1235 2.0334 1.6389 1.2676 1.0000 0.8305 0.6389
Ratio
R & even
Ratio
odd
  1. without generation designation
  2. Der neue BMW M760 Li xDrive · BMW Medieninformation Deutschland (The new BMW M760 Li xDrive · BMW Media Information Germany) · 02/2016 · p. 23 · and Der neue BMW M760 Li xDrive · Technische Daten · BMW Medieninformation Oesterreich (The new BMW M760 Li xDrive · Technical Specifications · BMW Media Information Austria) · 01/2017 · p. 2 · 800 N⋅m (590 lb⋅ft)[15][14]
  3. narrow total ratio span · preferebly for petrol engines, sports cars, and high performance engines · Alpina B3 Saloon AWD · Technical Data · 730 N⋅m (538 lb⋅ft)[16][14]
  4. Technical specifications · The new BMW 3 Series Sedan · BMW Media Information · 03/2019 · p. 2: BMW 320i Sedan · 300 N⋅m (221 lb⋅ft)[17][14]
  5. loc. cit. · p. 10: BMW M340i xDrive Sedan · 500 N⋅m (369 lb⋅ft)[17][14]
  6. wide total ratio span · preferebly for Diesel engines, offroad cars, and low performance engines · loc. cit. · p. 18: BMW 330d Sedan · 580 N⋅m (428 lb⋅ft)[17][14] and Alpina D3 S Saloon AWD · Technical Data · 730 N⋅m (538 lb⋅ft)[18]
  7. wide total ratio span · preferebly for Diesel engines, offroad cars, and low performance engines · Alpina XB7 AWD · Technical Data · 800 N⋅m (590 lb⋅ft)[19]
  8. w/o hydraulic torque converter · narrow total ratio span of 4.2[20]
  9. based on the same gearset concept as the 8HP transmissions[21][22]
  10. Automatic Powershift Transmission for Trucks[23]
  11. 1 2 higher torque on demand[24]
  12. 1 2 3 4 5 65/115 or 52/92[24][25]
  13. Automatic Powershift Transmission for Special vehicles[25][26]

Variants and Applications

Model
Generation
Max. torque petrol Max. torque diesel Applications[lower-alpha 1]
8HP 30
1st–3rd
300 N⋅m (221 lb⋅ft) 300 N⋅m (221 lb⋅ft) BMW 1 Series (F20) 116i BMW X1 (E84) CMC Zinger (2023–)
8HP 45
1st
450 N⋅m (332 lb⋅ft) 500 N⋅m (369 lb⋅ft) 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–)
Volkswagen Amarok[27] (2010–2022)
Torqueflite 845RE[28]
1st
Chrysler 300 3.6 L Pentastar V6 (2011–)[29]
Chrysler 300 C
Dodge Challenger 3.6 L Pentastar V6 (2015–)
Dodge Charger 3.6 L Pentastar V6 (2012–)[30]
Dodge Durango[31][32] 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[33][34][35] (2012–2019)
8HP 55
1st
650 N⋅m (479 lb⋅ft) 650 N⋅m (479 lb⋅ft) Audi A4 North American (US) B8/8.5 Quattro Versions[36] (2011–) Audi A5 North American (US) B8/8.5 Quattro Versions (2011–) Audi A6 (C7)[37]
Audi A6 Hybrid (C7)
Audi S4 (B9)
Audi S5 (B9)
8HP 65
1st
650 N⋅m (479 lb⋅ft) 650 N⋅m (479 lb⋅ft) Audi A4 (B9) Audi A6 Hybrid (C7 PHEV) PR China[37] Audi A6 (C8)
Audi A7 (C8)
Audi A8 (D5)
Audi S6 (C8)
8HP 70
1st
700 N⋅m (516 lb⋅ft) 700 N⋅m (516 lb⋅ft) 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[38]
Aston Martin Vanquish 2015–2018
Audi Q5 8AT version[39]
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–)
Dodge Challenger 5.7 L HEMI V8 (2015–)
Dodge Charger 5.7 L HEMI V8 (2015–)
Dodge Charger 6.4 L HEMI V8
Dodge Durango[31][32] 5.7 L HEMI V8
Dodge Durango[31][32] 6.4 L HEMI V8
Haval H9 (2017–)
Iveco Daily (2014–)[40]
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 [T] EZH & 6.4 L HEMI V8 Engine Code [J] 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[41] (2013–)
Morgan Plus Six
Porsche Panamera Diesel & Hybrid (2009–2016)
Ram 1500 5.7 L HEMI V8[33][34][35] (2012–2019)
Ram 1500 3.0 L EcoDiesel V6[33][34][35] (2013–2019)
Rolls-Royce Phantom VII
Rolls-Royce Phantom VIII
Volkswagen Amarok V6 TDI 550[27] (2010–2022)
Volkswagen Crafter SY/SZ (longitudinal engine only) (2017–)
8HP 90
1st
900 N⋅m (664 lb⋅ft) 1,000 N⋅m (738 lb⋅ft) Audi Q7 (Type 4L) (2010–)
Bentley Mulsanne (2010)
Bentley Continental GT 2nd gen. (2011–2018)
BMW 760i/Li (F01/F02)[37]
Dodge Challenger SRT Hellcat 6.2 L HEMI V8 Supercharged
Dodge Charger SRT Hellcat 6.2 L HEMI V8 Supercharged
Porsche Cayenne (958)
Rolls-Royce Ghost[42]
Rolls-Royce Wraith (2013)
Volkswagen Touareg 7P (2010–2018)
8HP 50
2nd
500 N⋅m (369 lb⋅ft) 500 N⋅m (369 lb⋅ft) 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
Torqueflite 850RE[43]
2nd
Dodge Charger Pursuit V6 (2021–)
Dodge Durango[31][32] 3.6 L Pentastar V6 (2017–)
Jeep Gladiator (JT) 3.6 L Pentastar V6 (2019–)
Jeep Grand Cherokee (WK2) 3.6 L Pentastar V6 (2017–2022)
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
2nd
700 N⋅m (516 lb⋅ft)
[44]
740 N⋅m (546 lb⋅ft)
[44]
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)[45]
BMW X3 30D (G01)
BMW X5 (F15)[46]
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–)
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–)
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–)
8HP 75-LCV
2nd
Ram 2500 6.4 L HEMI V8 (2018–) Ram 3500 6.4 L HEMI V8 (2018–)
8HP 95
2nd
900 N⋅m (664 lb⋅ft) 1,000 N⋅m (738 lb⋅ft) Aston Martin DBS Superleggera[38][47]
Audi A8[48]
Audi RS6[49]
Audi RS7[50]
Audi Q7 (Type 4M) (2011–)
Audi SQ7
Audi Q8 (2018–)
Audi SQ8 (2018–)
Audi RS Q8
Bentley Bentayga
Bentley Flying Spur (2013) 2014–2019
BMW M760i/Li[37]
Dodge Durango[31][32] SRT Hellcat 6.2 L HEMI V8 Supercharged
Jeep Grand Cherokee (WK2) SRT Trackhawk 6.2 L HEMI V8 Supercharged
Lamborghini Urus
Porsche Cayenne (9YA)
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 CR (2018–)
8HP 51
3rd
500 N⋅m (369 lb⋅ft) 500 N⋅m (369 lb⋅ft) 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
3rd
Alpina B7 (G11/12)[51]
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
8HP 80
3rd
Alpina XB7
8HP TBD
various
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
  1. without any claim of completeness

See also

References

  1. Duane, Salerno. "Reviewed: Chrysler Group's 8 speed automatic transmission". salernoduanesummit.com. Retrieved 10 May 2019.
  2. "Ram ZF 8 Speed Automatic Transmission TorqueFlite 8 ZF 8HP70". 29 September 2014. Archived from the original on 15 December 2021. Retrieved 10 May 2019 via YouTube.
  3. "ZF and Chrysler Reach Agreement for new 8-Speed Automatic Transmissions". Retrieved 10 June 2010.
  4. "Fuel saving and minimizing CO2 emissions". ZF Friedrichshafen AG. Archived from the original on 19 July 2009. Retrieved 18 September 2009.
  5. Mike, Hanon (4 May 2007). "ZF Develops 8-Sped automatic". Gizmag.
  6. "Maximum driving enjoyment with maximum agility". ZF Friedrichshafen AG. Retrieved 18 September 2009.
  7. "8-Speed Automatic Transmission". ZF Friedrichshafen AG. Retrieved 19 September 2016.
  8. 1 2 "The freedom to exceed limits" (PDF). brainfunkers.co. ZF Friedrichshafen AG. Retrieved 7 January 2020.
  9. "ZF showcasing second-generation 8HP 8-speed transmission at NAIAS; additional 3% boost in fuel savings". Green Car Congress. Retrieved 13 July 2015.
  10. "Transmission technology from ZF" (PDF). ZF.com. Retrieved 20 February 2018.
  11. 1 2 3 4 8HP 70 Repair Manual · Picture 10106 p. 110 · Saarbruecken 2014 · https://avtgr.ru/upload/data/pdf/zf_instructions/8HP70.pdf
  12. 1 2 "Timur Apakidze · Saturation Dive: ZF 8-Speed Automatic · TTAC: The Truth About Cars". 11 March 2014. Retrieved 7 July 2019.
  13. 1 2 8HP 55A Repair Manual · Picture 10106 p. 169 · Saarbruecken 2014 · https://avtgr.ru/upload/data/pdf/zf_instructions/8HP55A.pdf
  14. 1 2 3 4 5 6 7 8 9 2nd Generation and 3rd Generation "Efficient And Dynamic · ZF Gearbox Brochure" (PDF). 1 September 2017. Retrieved 7 July 2019.
  15. https://www.press.bmwgroup.com/austria/article/attachment/T0267754DE/378234
  16. https://www.alpina-automobiles.com/en/models/b3/technical-data/
  17. 1 2 3 https://www.press.bmwgroup.com/global/article/detail/T0299451EN/specifications-of-the-all-new-bmw-3-series-sedan-valid-from-03/2019
  18. https://www.alpina-automobiles.com/en/models/d3-s/technical-data/
  19. https://www.alpina-automobiles.com/en/models/xb7/technical-data/
  20. 1 2 https://www.zf.com/products/media/zf_race_engineering/motorsports/downloads_2/ZF_RE_Factsheet_Motorsport-Transmissions_EN_001508000203.pdf
  21. https://www.zf.com/products/en/special_vehicles/products_64421.html
  22. https://www.zf.com/public/org/PowerLineFlyer_NorthAmerica_web_91412.pdf
  23. https://www.zf.com/master/media/products_1/commercial_vehicles/footer_1/brochures_trucks_buses/2020_3/TT_Product_Overview_DE_EN_LowRes.pdf · p. 7
  24. 1 2 https://www.zf.com/public/org/Data-sheet_PowerLine_71773.pdf
  25. 1 2 Efficient Torque Converter Automatic Transmission for Commercial Vehicles (ZF 8AP) · Winfried Gründler · Herbert Mozer · Frank Sauter: ATZ worldwide 06/2017 · pp. 36–39
  26. https://www.zf.com/public/org/Flyer_PowerLine-Special-Vehicles_en_72128.pdf
  27. 1 2 "Volkswagen Amarok With 8-Speed Automatic Transmission" (PDF). Retrieved 9 November 2015.
  28. "New Eight Speed Transmission Introduced by Chrysler". Retrieved 2 September 2011.
  29. "America's First Luxury Sedan With Eight-speed Automatic Transmission". Retrieved 5 September 2011.
  30. "2012 Chrysler Fleet Buying Guide" (PDF). Retrieved 21 July 2011.
  31. 1 2 3 4 5 "SEC filing reveals new V6 and 8-speed transmission for Ram". Retrieved 9 March 2012.
  32. 1 2 3 4 5 "2014 Dodge Durango Bows With Eight-Speed". Retrieved 28 March 2013.
  33. 1 2 3 "2013 Ram 1500 Unveiled With Eight-Speed". Retrieved 5 April 2012.
  34. 1 2 3 "ZF to Supply 8-Speed Automatic Transmission to new 2013 Ram 1500 Pick-up Truck". ZF Friedrichshafen AG. Retrieved 20 April 2012.
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