FS5R30A

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FS5R30A is the heavy duty Nissan gearbox used by RB26, RB25DET and Skyline 4WD applications. It is stronger and heavier than the FS5W71C used by RB25DE smaller engines.

Overview

30-series are common upgrades for applications from 400-600 hp when you really need to upgrade from a 71C for reliability.

30-series box vs smaller 71-series

Nissan gearbox codes
F = Floor Shift
S = Overdrive
5 = five forward gears
R30 = gearbox series
A = first revision

The 71C shifter is level, while the 30A shifter is sloped down to the rear. This is handy when identifying VG30 transmissions since they came in both types.

Engines using 30A gearbox
VG30,VG33,VG35
RB25DET,RB26
QD32
RD28T

Applications

GASKET-FRONT COVER
32112-05U11 <> 32112-05U12 <> 32112-01G1

JAPAN
Z31 1987-1989 Fairlady with 
R32 Skyline with RB26DETT
R33 Skyline with RB25DET, RB26, OR 4WD
R32 Skyline with RB25DET or 4WD
R50 Terrano
D22 Datsun Truck with QD32
AWC34 Stagea with RB20E,RB20DE,RB25DE,RB25DET
WC34 Stagea
WD21 Terrano with VG30E
Y60 Safari with RD28T

USA
Z31 1986-1989 300ZX with VG30DT Turbo
Z32 1990-1996 300ZX with VG30DE or VG30DTT
D21 Hardbody pickup VG30
WD21 1992-1995 Pathfinder VG30I,VG30E
D22 Frontier VG33E
WD22 Xterra VG33E, VG33ER
R50 1996- Pathfinder VG33, VG35

Others

FS5R90A - Borg-Warner T-5 5-speed, 1984-1986 Z31 300ZX Turbo 
FS6R92A - Aisin 6-speed, 1999-2002 S15 Silvia