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Hitachi R145 was used in 4WD applications as the rear final drive. Many applications used a 4-bolt rear cradle which contained the entire suspension except for the struts.

1 Overview
2 Sources
3 Gearset
4 LSD
5 Coupling
- 5.1 Electric Coupling
- 5.2 Hydraulic Coupling
6 Gasket
7 Case
8 Weight
9 Rear Suspension

Overview

Post 399034

Standard type
N14, N15 Pulsar
B13, B15 Sunny
N30, JU30
M12, G10, 
RB14, W11 P12, VW11, W11

Hydraulic Coupling Type
C24 Serena 
M12 Prairie Liberty
K11 March
P12 Primera
VW11V Expert エキスパート
U30 0108-

Electric Coupling Type
T30 X-Trail
Murano USA Z50 electric coupling

Electric Coupled
Post 399034 Post 399034

N14 Pulsar (including RNN14 GTI-R)
Album 24208

Hydraulic Coupling
Album 24212

Sources

Z50 Murano USA
N14, N15 Pulsar
B14, B15 Sunny
RB14 Rasheen
C24 9907- Serena (IRS post-vanette)
K11 9911-0010 March CG10DE+CGA3DE
M12 9811-0105 Prairie Liberty
P12 0101- Primera
T30 0010 to 2007 X-Trail
JU30 9911- Besara
U30 0108- Presage
VW11 9809- Expert エキスパート
W11 9809- Avenir

Also, unknown countries:

Nissan Qashqai/Dualis 
Nissan Rogue 
Renault Kangoo
Renault Samsung Koleos/QM5

Gearset

38100-CA000 GEAR SET-FINAL DRIVE 37/15=2.466 $617 USD
38100-4N500 GEAR SET-FINAL DRIVE 37/15=2.466
* C24,K11,M12,P12,T30,VW11,W11,JU30,U30
38100-11E65 48/13=3.692
* JU30 9911-0108 KA24DE+YD25DDT, B15, G10, U30
38100-10E60 GEAR SET-FINAL DRIVE 47/14=3.357
* M12, N30, W11, U13
38100-03G10 GEAR SET-FINAL DRIVE 37/10=3.700
* B13, B14, N14, N15, RB14

LSD

Both Nissan and Cusco sell rear LSD

38760
38411-20R21 COUPLING ASSY-VISCOUS $584 USD
* superseded 38411-20R14
* N14 JDM.SR20DET
* M11 USA Axxess 0189-0394 *4WD.KA24E.SGL.FA (R200?)

Cusco
MZ TYPE-RS No. LSD684 1.5 way Subaru BP/BL (2003-2009 Legacy/Liberty)
MZ 1-way

Coupling

The coupling takes the place of a center differential. These models have a totally different case, which is split on the axle centers.

Electric Coupling

The electric coupling, when not powered, allows the rear diff to free-wheel (FWD mode).

When fully powered, the propeller shaft powers the diff as normal.

The coupling is designed to work at any setting from non-powered to fully-powered, for various torque splits.

For this reason, operating as a RWD-only diff is complicated. You could use a relay and fully power it, but the failure mode would be to stop transmitting power.

Z50 USA Murano (CVT)
T30 JDM X-Trail GT

Hydraulic Coupling

38760M

38760-4N210 COUPLING ASSY-HYDRAULIC
* K11 March

38760-4N215 COUPLING ASSY-HYDRAULIC
* C24 Serena 
* M12 Prairie Liberty
* P12.QR20DE.AT 0101-
* VW11V Expert エキスパート

38760-4N815 COUPLING KIT-HYDRAULIC
* superceded 38760-4N215?
* U30 0108-
* JDM.U30,C24,M12,JU30,P12,VW11,W11
* P12.QR20DE.AT 0101-

Gasket

38320-01G02 for Rasheen

See Diff Gasket

Case

38310 CASE (CARRIER COMPL-GEAR)

COUPLED TYPES
38310-8H500 [electric coupling]
* T30
38310-4N500 [hydraulic coupling]
* C24, M12, JU30.QR25DE, P12, U30, VW11, W11

SHORT-NOSE
38311-20E00 
* N30 Rnessa
* JU30 9911-0108 KA24DE+YD25DDT
38310-4N500 
* JU30.early

LONG-NOSE
38311-71Y00/38311-71Y02
* B13, B15, M12, G10, N14, N15, RB14, W11

R180 38311-S6200
* USA.M11 non-LSD
R200 38311-S7000
* USA.910+M10+M11.LSD+S130

Weight

Longnose R160 < 56 lbs
Longnose R180 ~ 66 lbs
Longnose R200 76 lbs
Shortnose R200 72 lbs

Rear Suspension

431 REAR SUSPENSION

STRUT TYPE
B13,B15 drum brake
N14,N15 DB *DISC OPTION SR20DE

N30 Short-nose
JU30 9911-0108 Short-nose
JU30 0108- Hydraulic Type
U30 0108- R145A hydraulic type
* Double A-arm suspension on cradle
* transverse leaf
* drum brake

P12, strut type, flat 4-bolt?
* disc brake

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R145

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