56-Series Transmission Parts

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Category: Transmission

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Contents 1 Synchros 2 Case 3 Extension 4 F4W56 4.1 Reverse Lamp Switch 4.2 Counter Gear 4.3 Bearings 4.3.1 Counter Shaft Ball Bearings 4.3.2 Counter Shaft Needle Bearing 4.3.3 Input Shaft Ball Bearing 4.3.4 Main Shaft Bearing 4.4 Seals 4.4.1 Input Shaft Seal 4.4.2 Main Shaft Seal 5 F5C56 5.1 Counter Gear 5.2 Seals 5.2.1 Input Shaft Seal 5.2.2 Main Shaft Seal 5.3 Nissan Competition

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.

4-SPEED EARLY

• 32601-18000 HUB-SYNCHRONIZER 1 4 SPEED $78 USD
• 32604-H1000 BAULK RING
• 32606-18000 SLEEVE-COUPLING $52 USD

4-SPEED LATE

• 32601-H7301 HUB-SYNCHRONIZER, 1ST & 2ND, 3RD & 4TH $83 USD
  • same as 60-series Transmission 4-speed & 5-speed (1st & 2nd only)
• 32604-H9000 BAULK RING $44 USD
  • also replaces ealier 32604-H1000
  • same as 60-series Transmission 4-speed
• 32606-18000 SLEEVE-COUPLING
  • same as 60-series Transmission 4-speed & 5-speed

Coupling with hub. Left: assembled. Right: not assembled

5-SPEED
32601-H7200 HUB-SYNCHRONIZER, 2nd & 3rd, 4th & 5th 5-speed
32606-H7200 SLEEVE-coupling

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)

• 32100-18000 CASE-transmission 4-speed B10
  • bell-crank clutch linkage
• 32100-H1000 CASE-transmission 4-speed B110 (56L)
• 32100-H7230 CASE-transmission 5-speed B110 GX-5
• 32100-G1030 CASE COMP.-transmission B120 (56A)
• 32100-H5035 CASE-transmission 4-speed B210 1975
• 32100-H5030 CASE-transmission 4-speed B210 (from 7503)
• 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)

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

See 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"

Main Shaft Seal

* Nissan 32136-H3100 SEAL-OIL REAR EXTENSION 4 SPEED -0972
** supercedes 32136-18001
* Nissan 32136-G1001 SEAL-OIL REAR EXTENSION 4 SPEED 1072-
* TIMKEN 3771 F4W63, F4W63A, F4W63L, F4W71B, R4W71A $4.04
* TIMKEN 2016 F4W56A, F4W56L, F4W60, F4W60L, F4WF60, F4WF60L $11.04
* NATIONAL 2016 Aichi F4W56L $15.87
** Oil Seal: Nitrile
** Shaft Size=1.181"
** Housing Bore=1.772"
** Outer Diameter=1.78"
** Width=0.591"

F5C56

Counter Gear

• 32213-H7200 GEAR-counter B110
• 32213-H7201 GEAR-counter B210
• 32210-H7200 GEAR-1st counter

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 ratiol tire

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