For an overview, see 56-Series Transmission
Contents |
Synchros
4-speed and 5-speed synchronizers are very different. 4-speed uses synchro baulk rings. 5-speed has baulk nubs on the hub itself.
See main article: Synchros
Case
The case is the front part of the transmission (the "bell housing"). The case for 4-speed and 5-speed looks the same, but has different part numbers. Note that different years and different markets added changes to the case.
RHD (JDM Catalog) * bell-crank linkage * very light ribbing 32100-18000 CASE-transmission 3-speed, 4-speed B10 32100-H0100 CASE-transmission 3-speed B10 <> 32100-18000
32100-H1000 CASE-transmission 3-speed, 4-speed B110 (56L) * light ribbing 32100-H7230 CASE-transmission 5-speed B110 GX-5 32100-G1030 CASE COMP.-transmission 3-speed, 4-speed B120 (56A) 32100-H5035 CASE-transmission 4-speed/5-speed B210 1975 < 32100-H5030 56A 32100-H5030 CASE-transmission 3-speed B210 1975-, 4-speed/5-speed B210 (from 7503) 56A 32100-H7421 CASE-transmission 4-speed B210, B310 1976- 32100-G1123 CASE-transmission 4-speed B120 SB 7510- 32100-G1124 CASE-transmission 4-speed B120 LB 7510-
LHD (USA catalog) 32100-H1600 CASE-transmission 4-speed B110 LHD to 0970 32100-H1630 CASE-transmission 4-speed B110 LHD from 1070- 32101-H3900 CASE-transmission 4-speed B110 LHD from 0671- 32101-H3930 CASE-transmission 4-speed B110 LHD from 0172- 32100-H6200, 32100-H6201 CASE-transmission 4-speed B210 LHD to 0874 (A13 engine) 32100-H6127 CASE-transmission 4-speed B210 LHD USA 32100-H8511, 32100-H8529 CASE-transmission 4-speed B210 LHD CANADA * Has an electrical switch in case (reverse)
Front Cover 32110-H1000 (56-series, 71-series
Adapter Plate (sandwich plate)
Extension
variations: * double-mount with top switch drilled & tapped (8910-) * double-mount w/o top switch (? B310?) * 56L with bushing & small oil seal (B110 early) * 56L with large oil seal (B110 late) * 56A with internal w/o oil dam (early B120???) * 56A with internal oil dam
F4W56
* 32010-H1652 ASSY-TRANSMISSION(F4W56) * 32010-H3551 ASSY-TRANSMISSION (F4W56) 0972- *: replaces 32010-H1652 * 32010-H3950 ASSY-TRANSMISSION(F4W56E) 0671- * 32010-H3951 ASSY-TRANSMISSION (F4W56L) 0172- * 32010-H3953 ASSY-TRANSMISSION (F4W56L) 0972-0373 *: replaces 32010-H3951 * 32010-H3963 ASSY-TRANSMISSION (F4W56A) 0473- *: replaces 32010-H3953
Reverse Lamp Switch
Counter Gear
Cluster Gear * 32210-24900 GEAR-COUNTER 29T,25T,19T,13T B10, -0373 B110 (F4W56L)* 32210-G1100 GEAR-COUNTER 29T,25T,19T,13T B120 ALL, CAR 0473-0874 (F4W56A) *: USA B110, starting April 1973 *: Used through 1982 (listed for A12-powered B210 & B310)
Bearings
BALL BEARINGS COUNTER SHAFT, FRONT * 32219-18000 (56L only) COUNTER SHAFT, REAR * 32223-24900 -7805 (56L & 56A) * 32223-H7400 7806-8109 * 32223-H8500 8110- INPUT SHAFT (MAIN DRIVE) * 32203-18000 (56L & 56A) MAIN SHAFT * 32273-24900 (56L) * 32273-G1000 (56A)
32273-H7300 ???
NEEDLE BEARINGS 32219-G1000 COUNTER SHAFT, FRONT (56A only) 32272-18000 BEARING-pilot, main shaft (56L & 56A) 32264-24900 gear (1 or 0), main shaft 32264-18000 gears (2 or 3) 32264-H1000
BUSHING 32283-24901 BUSH-GEAR REVERSE IDLER (56L) 32283-G1100 BUSH-GEAR REVERSE IDLER (56A) 32253-18000 BUSH-1ST GEAR
Bearing Comparison * 63/71 - TIMKEN 306L F4W63, F4W63A, F4W63L, F4W71B, R4W71A * 56/60 - TIMKEN 305L F4W56A, F4W56L, F4W60, F4W60L, F4WF60, F4WF60L
Counter Shaft Ball Bearings
RockAuto.com
56L Front Countershaft Bearing Nissan 32219-18000 BEARING-BALL COUNTER SHAFT * Timken 305AG (F4W56L) ** also fits Center F4W71B, Rear R4W71A * National 305 (Aichi F4W56L) $24.89 ** Ball Bearing ** Outer Race Radius=0.0402" ** Bore=0.9843" ** Outer Diameter=2.4409" ** Width=0.6693" ** Inner Race Radius=0.0402"
Rear Countershaft Bearing (56L & 56A) -7805 Nissan 32223-24900 BEARING-ball counter * Timken 303SS (F4W56L) $17 * National/BCA 303SS (Aichi F4W56L) ** Ball Bearing ** Outer Race Radius=0.0402" ** Bore=0.6693" ** Outer Diameter=1.8504" ** Width=0.5512" ** Inner Race Radius=0.0402"
Rear Countershaft Bearing (56A) 7806-8109 Nissan 32223-H7400 * superseded by 32223-H8500
Rear Countershaft Bearing (56A) 8110- Nissan 32223-H8500 Bearing Ball $22 USD rockauto.com * National 205 $12.10 * Timken 205BB (F4W56A) $13.00 ** Ball Bearing ** Width: 0.5906" ** Bore=0.9843" ** Outer Diameter=2.0472"
Counter Shaft Needle Bearing
56A Front Countershaft * Nissan 32219-G1000 BEARING-NEEDLE COUNTER SHAFT * Timken 304WB (F4W56A) ** also fits F4W71B front, F4W71A front ** Cone Bearing ** Bore=0.787" ** Outer Diameter=2.047" ** Width=0.591"
Input Shaft Ball Bearing
Rockauto.com Main Drive Gear Ball Bearing (input shaft 56L & 56A) 32203-18000 BEARING-ball, main drive gear * superceded by 32203-E9800 $25.45 USD * Timken 305L Front; F4W56L $27.79 * National 305L Aichi F4W56L ** Ball Bearing ** Outer Race Radius=0.0402" ** Bore=0.9843" ** Outer Diameter=2.4409" ** Width=0.6693" ** Inner Race Radius=0.0402"
* Timken 306L Front; F4W56A, Front; R4W71A ** Ball Bearing ** Bore=1.1811" ** Outer Diameter=2.8346" ** Width=0.748"
Main Shaft Bearing
Rockauto.com
56L Main Shaft Ball Bearing Nissan 32273-24900 BEARING-main shaft $21 USD * SKF 6305J Main Shaft Bearing $24.79 * Timken 305L
56A Main Shaft Ball Bearing Nissan 32273-G1000 BEARING-ball, main shaft $48 USD
Nissan 32273-H7300 $61 USD
Seals
* SKF Seal 99098 SKF Part # 99098 ** http://www.rockauto.com/catalog/x,carcode,1208483,parttype,14200
Input Shaft Seal
* Nissan 32113-H3100 SEAL-OIL FRONT COVER 4 SPEED 0971- ** supercedes 32113-13200 * http://www.rockauto.com/catalog/x,carcode,1208483,parttype,10065 * Timken 222540 F4W56L, F4W56A $2.84 * National 710316 F4W56L ** Oil Seal: Nitrile ** Shaft Size=0.984" ** Housing Bore=1.575" ** Outer Diameter=1.583" ** Width=0.315" * Timken 710417 F4W63, F4W63A, F4W63L * Timken 1981 R4W71A * Timken KWK99098 Kwik Sleeve repair F4W56L, F4W56A * National/BCA 99098 Redi-Sleeve $27.79 ** .982" x .986" x .313"
Output Shaft Seal
Which seal you need depends on which type of Driveshaft yoke is being used.
Shrouded, unshrouded, lipped![]()
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45mm bore RockAuto.com * Nissan 32136-G1001 SEAL-OIL REAR EXTENSION 4 SPEED 1072- * TIMKEN 2016 F4W56A, F4W56L, F4W60, F4W60L, F4WF60, F4WF60L $11.04 * NATIONAL 2016 Aichi F4W56L $15.87 Material Nitrile Shaft Size 1.181" 30mm Housing Bore 1.772" 45mm Outer Diameter 1.78" 45.2mm Flange Diameter 2.441" 62mm Width 0.591" 15mm
* Nissan 32136-H3100 SEAL-OIL REAR EXTENSION > 32136-18001 * Nissan 32136-H3100 * SKF 11618
32136-G1001 60mm flange, 45 mm bore![]()
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F5C56
Counter Gear
32213-H7200 GEAR-counter B110 32213-H7201 GEAR-counter B210 32210-H7200 GEAR-1st counter
Gear Set
GX-5 32202-H7200 Main Drive Gear 32230-H7200 1st Gear 32250-H7200 2nd Gear (28T) 32262-H7200 3rd Gear (27T) 32272-H7200 4rd Gear
32202-H7220 Main Drive Gear (23T) 32230-H7200 1st Gear (32T) 32250-H7200 2nd Gear (28T) 32262-H7200 Ultra Close Ratio 3rd Gear (27T) 32272-H7220 Ultra Close Ratio 4rd Gear (25T)
The four shafts (click to open in new window)
1st Gear Counter
album
Gear Diagram (open in album: click)
Seals
Input Shaft Seal
Nissan 32113-H3100 SEAL-OIL FRONT COVER F5C56A
Main Shaft Seal
Nissan 32136-G1001 SEAL-oil, rear extension F5C56A![]()
Nissan Competition
- 32010-H7251 TRANSMISSION ASSY B110 GX-5
- 32010-H7251P TRANSMISSION ASSY Nissan Competition OPT 1
- 32010-H7220N TRANSMISSION ASSY Nissan Competition OPT 2
- 32010-H5250 TRANSMISSION ASSY B210 GFK
- 32010-H5250 TRANSMISSION ASSY B210 GFK from 73-10
- 32010-H5251 TRANSMISSION ASSY B210 GFK ratiol tire
- 32010-H5253 TRANSMISSION ASSY B210 GFK from 73-10 ratio tire