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Jatco 7R01 transmission

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RE7R01A/RE7R01A
Overview
ManufacturerJatco
Production2008–present
Body and chassis
Class7-speed longitudinal automatic transmission
Chronology
Predecessor5R05
Successor9G-Tronic

The 7R01, also called JR710E/JR711E (Jatco), RE7R01A/RE7R01A (Nissan), is a seven-speed automatic transmission from Jatco for passenger cars with longitudinally mounted engine (rear wheel drive or 4X4 layout), released in 2008..[1]

Abstract[edit]

The 7R01 series are made in two versions, the JR710E and the heavier duty JR711E.[2]

Have a 7% of fuel economy in comparison with its predecessor (5R05).[2]

Was designed using as base the 5R05[3], and share a few components with it[1]

Although Nissan and Infiniti have used the Mercedes-Benz 7G-Tronic transmission in some of their vehicles too, the 7R01 is a totally different design and is unrelated with that transmission.

Specifications[edit]

Main design[edit]

Provide seven forward gears (four reduction, direct and two overdrives) plus reverse through its thirteen main components (4 simple planetary gear sets, 3 multiple-disc clutches, 4 multiple-disc brakes and 2 one-way clutches).[4]

Control[edit]

It is a fully electronic controlled unit.[4]

Torque converter is in full lock up state in normal condition (Drive mode) only in 7th gear, or could in all 7 forward gears if Manual mode is selected, depending of TCM and driver's way of driving. This unit also have a half-clutched state, that can occur from 2nd to 7th gears, Drive or Manual mode.[4]

Strenght[edit]

JR710E is capable to handle up to 400 N⋅m (295 lb⋅ft) of torque and JR711E up to 600 N⋅m (443 lb⋅ft).[5]

ATF[edit]

Its OEM ATF is the Genuine NISSAN Matic S ATF.[4]

Gear ratios[edit]

RE7R01A
Type/Gear 1 2 3 4 5 6 7 R
A-1 4.924 3.194 2.043 1.412 1.000 0.862 0.772 3.972
A-2 4.783 3.103 1.984 1.371 1.000 0.871 0.776 3.859
RE7R01B
Type/Gear 1 2 3 4 5 6 7 R
B-1 4.887 3.170 2.027 1.412 1.000 0.864 0.775 4.041

Applications[edit]

RE7R01A[edit]

Infiniti[edit]

Nissan[edit]

RE7R01B[edit]

Infiniti[edit]

Nissan[edit]

References[edit]

  1. 1.0 1.1 "JATCO Develops 7-speed Automatic Transmission for RWD vehicles". Archived from the original on June 18, 2009. Unknown parameter |url-status= ignored (help)
  2. 2.0 2.1 "Jatco JR710E/JR711E official page product description".
  3. "JR710E RWD 7-Speed: RE5R05A plus parts/minus parts".
  4. 4.0 4.1 4.2 4.3 "2010 Infiniti QX70 (S51) FSM" (PDF).
  5. "Does DCT replace AT?".
  6. "2010 Nissan Patrol (Y62) Introduction".
  7. "2013 Nissan Patrol (Y62) Australia Introduction" (PDF).

See also[edit]


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