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Triumph TR7 5 Speed Gearbox |
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Page Contents
Gearbox & Commission Numbers
Speedometer Cable;
Gearbox Case-Rear Extension & Speedo Drive
LayshaftAssembly & Reverse Gear
©Rimmer Bros Ltd - Registered in England No. 2155394. VAT No. GB 352 8473 40.
Manual Gearbox
Clutch Housing/Operation
Speedo Cable & Drive
Gearbox Case-Front Cover
Gearbox Case & Centre Plate
Gearbox Case-Rear Extension & Speedo Drive
Input Shaft & Mainshaft
Mainshaft Gears
LayshaftAssembly & Reverse Gear
Gear Selectors & Shafts
Gearchange Lever
Where Gearbox & Commission numbers are quoted in the 5 Speed Gearbox Section (to help identify Factory Specification changes), they relate to the Original Gearbox as fitted when the vehicle was new, and not subsequent replacements.
5 Speed Manual
Gearbox (5 Speed);
Note; Gearbox is supplied Less bellhousing, speedo pinion & gearchange remote assembly.
New - UKC9076
Gearbox Mounting - (NI) -
TKC1044
Reconditioned - UKC9076R
Heavy Duty (Reconditioned) - UKC9076RHD
TR8 specification, but may also be used on TR7.
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Bellhousing - RKC614
Setscrew (4) - SH112301
Bellhousing to gearbox.
Washer-Spring (4) - WL112001
Bolt (2) - BH112091
Bellhousing to gearbox.
Washer-Spring (2) - WL112001
Washer-Flat (2) - WA112081
Dowel (2) - UKC25
Bellhousing to gearbox.
Clutch Operating Lever** - LBU1234
Slipper Pad (2) - 159003
Clip (Clutch arm to slave cyl push rod) - (NI) -
UKC1806
Carrier/Sleeve** - FRC5369
Clutch release bearing carrier .**NOTE; on early vehicles LBU1234 and FRC5369 MUST be fitted as a pair.
Clutch Release Bearing - GRB209
Fulcrum Pin (Clutch operating lever) - UKC1774
Bolt (4) - GHF121
Washer-Spring (4) - GHF332
Nut (4) - GHF201
Washer-Shakeproof - 90510912
Bolt - BH605141
Dowel - DP619
Nut (2) - GHF201
Washer-Spring (2) - GHF332
Washer-Plain (2) - GHF301
Bolt (2) - GHF121
Washer-Spring (2) - GHF332
Bolt (3) - GHF104
Washer-Spring (3) - GHF332
Setscrew (2) - SH110201
Washer-Spring (2) - WL110001
Washer-Plain (2) - GHF302
Bolt (Special) - ULC1372
Washer-Locking - GHF333
Nut (2) - GHF202
5 Speed Manual
To VIN 402026 - (NI) -
GSD287
Speedo Drive Pinion;
From VIN 402027 (1981 models on) - (NI) -
GSD388
With push button trip reset
23 Teeth (Colour code-Black) - (NI) -
219004
'O' Ring/Seal - (NI) -
TRS1620
Used with axle ratio 3.90:1.
21 Teeth (Colour code-Green) - (NI) -
219002
Used with axle ratio 3.45:1.
Housing/Bearing (Speedo drive pinion) - (NI) -
22G1486
Oil Seal (Speedo drive pinion) - (NI) -
AAU2304A
5 Speed Manual
Front Cover Assembly;
Note; covers differ due to different size input shaft front bearings, and corresponding oil seal.
To Gearbox No CL22476C - UKC166
Oil Seal;
From Gearbox No CL22477C - ULC1283
To Gearbox No CL22476C - UKC12
Setscrew (6) - GHF133
From Gearbox NoCL22477C - UKC1060
Washer-Spring (6) - GHF301
Gasket (All ranges) - ULC1284
For Input shaft, to Gearbox No CL22476C.
For Input shaft, from Gearbox No CL22477C.
Bearing (Front of Input shaft);
To Gearbox No CL22476C - UKC169
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
From Gearbox No CL22477C - ULC2445
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Gearbox Case & Centre Plate;
Note; cases differ due to different size input shaft front bearing.
To Gearbox No CL22476C - ULC2045
Breather - UKC2656
From Gearbox No CL22477C - ULC2964
Cap (Breather) - UKC7167
Oil Filler Plug (Magnetic) - UKC3771
Fibre Washer - WF513
Gasket (Casing to centre plate) - TKC1229
Dowel - UKC170
Pin (Reverse lever mounting) - TKC1303
Washer-Flat (for TKC1303) - GHF302
Washer-Spring (for TKC1303) - WL110001
Nut (for TKC1303) - GHF214
Gasket - TKC1235
Centre plate to rear extension.
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Extension Case & Pump - TKC1320
Gasket - (NI) -
TKC1235
Rear extension to centre plate.
Oil Pipe - FRC7572
Body (Gearbox oil pump) - TKC1266
Setscrew (3) (for TKC1266) - SH106201
Washer-Spring (3) - WL106001
Oil Pump Kit (Gears) - RTC2057A
OIl Feed Ring - UKC2072
'O' Ring (Gear selection shaft) - UKC7
Oil Drain Plug - UKC26
Washer - WF513
Speedometer Cable;
To VIN 402026 - (NI) -
GSD287
Speedo Drive Pinion;
From VIN 402027 (1981 models on) - (NI) -
GSD388
23 Teeth (Colour code-Black) - 219004
'O' Ring/Seal - TRS1620
Used with axle ratio 3.90:1.
21 Teeth (Colour code-Green) - 219002
Used with axle ratio 3.45:1.
Housing/Bearing (Speedo drive pinion) - 22G1486
Oil Seal (Speedo drive pinion) - AAU2304A
Retaining Plate - 22G1711
Setscrew (for 22G1711) - SH106201
Washer-Spring - GHF331
Washer-Plain - GHF300
Bolt* (8) - BH108101
Bolt* (2) - BH108111
Washer-Spring* (10) - GHF382
*Rear extension to centre plate.
Bolt (2) - GHF134
Washer (Special) (2) - GHF312
Spacer (2) - UKC68
Bush (4) - UKC854
Mounting Bracket - UKC3145
Setscrew (2) - SH108201
Washer-Spring - GHF382
Bolt (2) - FB108061
Washer (Special) (2) - UKC1088
Spacer (2) - UKC1091
Bush (4) - UKC854
Washer (Special) (2) - UKC1090
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Input Shaft;
Note; input shafts differ due to different size front bearing.
To Gearbox No CL22476C - TKC3533
Bearing (Rear of input shaft) - GHB107
From Gearbox No CL22477C - RKC4168
Bearing (Front of Input shaft);
To Gearbox No CL22476C - (NI) -
UKC169
Spacer (Synchro hub/bearing) - UKC37
From Gearbox No CL22477C - (NI) -
ULC2445
Synchro Hub/Sleeve-Assembly (3rd/4th) - UKC5843
Synchro Ring - FRC8232
Spring (2) - UKC31
Shifting Plate (3) - UKC3530
Synchro Ring - FRC8232
3rd Speed Gear - TKC268
Mainshaft - TKC3111
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Mainshaft - TKC3111
2nd Speed Gear - TKC267
Synchro Hub/Sleeve-Assembly (1st/2nd) - UKC5850
Synchro Ring - FRC8232
Spring (2) - UKC31
Shifting Plate (3) - UKC3531
Synchro Ring - FRC8232
1st Speed Gear - TKC735
Bush (1st Speed Gear); (Use as required (mm)
(39.96/40.00) (mm) - TKC1477
Bearing (Mainshaft front) - UKC169
(40.01/40.05) (mm) - TKC1478
(40.06/40.10) (mm) - TKC1479
(40.11/40.15) (mm) - TKC1480
(40.16/40.20) (mm) - TKC1481
Circlip - CCN120
Collar (5th Speed Gear) - UKC3336
Needle Roller Bearing (2) - UKC2663
5th Speed Gear
To VIN 402027 - TKC1195
From VIN 402028 - RKC5098
Synchro Hub/Sleeve-Assembly (5th) - UKC5844
Synchro Ring - FRC8232
Spring (2) - UKC31
Shifting Plate (3) - UKC3530
Support Plate (Synchro Hub) - UKC3909
Circlip - UKC6540
Speedo Driving Gear (White) - TKC1273
Speedo worm drive.
Abutment Washer - UKC7252
Bearing Assembly (Mainshaft rear) - 533360
Oil Seal - UKC3949
Flange (to propshaft) - TKC1676
Washer - UKC8120
Nut-Locking - UKC6797
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
Layshaft Service Kit - (NI) -
RTC2562
This Factory kit replaces TKC1577 if unavailable. Includes; Laygear cluster (RKC5415), 2 bearings (ULC1796) & 5th speed gear (TKC5317). NB; if fitting this service kit to vehicles from VIN 402028 onwards, you need to replace 5th gear (RKC5098) on mainshaft with the early type TKC1195.
Layshaft Gear Cluster;
To Gearbox No CL45500C* - TKC1577
Washer - UKC1689
*Can be replaced by using Layshaft service kit RTC2562, as listed above.
From Gearbox No CL45501C - RKC5415
RKC5415 is included in layshaft service kit RTC2562. Bearing (2) (Laygear);
To Gearbox No CL45500C - GHB101
From Gearbox No CL45501C - ULC1796
2 ULC1796 bearings are included in layshaft service kit RTC2562. Layshaft Gear (5th Speed);
To Gearbox No CL45500C - (TKC63)
TKC63 is no longer available, use layshaft service kit RTC2562.
From G/box CL45501C to VIN 402027 - TKC5317
TKC5317 is included in layshaft service kit RTC2562.
From VIN 402028 - RKC5099
Circlip - CCN114
For Layshaft, to gearbox CL22476C
For Layshaft, from gearbox CL22477C
Reverse Idler Gear & Bush - UKC1644
Spacer (Reverse Idler) - UKC683
Shaft & Pin Assembly - UKC3152
Dowel (for UKC3152) - UKC18
Operating Lever (Reverse gear) - TKC1428
Pivot Pin (for TKC1428) - UKC2662
Circlip (for TKC1428) - 13H2023
Slipper Pad (for TKC1428) - UKC772
Unipart Gear Oil (ATF) (0.5 Litre) - (NI) -
GGL175
Gearbox capacity - 1.5 Litre.
5 Speed Manual
'Ball' (Gear lever seating) - 42H1112
Seat/Bush-Gear Lever - UKC9338
Yoke (Gear lever to shaft) - UKC3011
Circlip - 13H6762
Screw (Yoke to shaft) - FRC7018
Shaft - TKC2210
Circlip - 13H6762
Seat/Bush (Shaft to selector) - UKC9338
'Ball' (Shaft to selector) - 42H1112
Pin (Shaft to selector) - UKC5377
Locates to nut UKC4293.
Selector Shaft & Fork-Assembly (1st/2nd);
To Gearbox No CL22476C - TKC2664
Selector Fork only (1st/2nd) - TKC1633
From Gearbox No CL22477C - TKC4010
Nut (Locking) - NT108041
Circlip - UKC73
'Ball' - BLS112
Spring - FRC7195A
Plug (Threaded) - UKC75
Selector Fork (3rd/4th) - TKC1634
Interlock Spool (3rd/4th) - TKC290
Retaining Plate (For TKC290) - UKC3660
Washer-Spring (2) - WL106001
Setscrew (2) - SH106161
Selector Fork Assembly (5th) - RTC2058
Pivot Pin (2) - UKC2089
Circlip (2) - UKC2105
Pad - 532943
Setscrew (2) - GHF133
Washer-Spring (2) - GHF382
Interlock Spool (5th) - TKC1413
Retaining Plate (For TKC1413) - UKC3696
Washer-Spring (2) - WL106001
Setscrew (2) - SH106161
5 Speed Manual
Gaiter-Rubber (Gear lever) - YKC4030
Aperture Plate - ZKC824
Retaining Ring - ZKC2186
Setscrew (9) - YZ3405
Nut (3) - 570779
Spire Clip (6) - FU2544/4
Gear Knob;
Vehicles to VIN 403722 - UKC3004
Nut-Gear Knob Locking;
Vehicles from VIN 403723 - ULC3209
Vehicles to VIN 403722 - NT605041
Gearlever;
Vehicles from VIN 403723 - ULC3248
Vehicles to VIN 403722 - TKC4299
Retaining Cap (Gear lever) - UKC3159
Vehicles from VIN 403723 - TKC6424
Setscrew - SH106121
Plunger - 22G1989
Spring-Plunger - 22G1988
Torsion Spring - UKC5394
Retainer-Torsion Spring (2) - UKC3238
Bracket (2) (For UKC3238) - UKC5400
Setscrew (2) (Countersunk) - SF106201
Setscrew (2) - SH106201
Switch Assembly (Reverse);
Vehicles to VIN 403722 - TKC6761
Lock Nut (Switch) - 22A1613
Vehicles from VIN 403723 - TKC6802
Clip (wiring harness) - UKC4208
Sleeve (For UKC4208) - UKC5424
Washer - GHF300
Setscrew (2) - UKC8635
Gearchange bias spring.
Nut - NT108041
Remote Housing (Bare) - TKC3821
Gearchange selector.
Bush (Selector rod) - TKC3796
Gearchange housing.
Cover Plate (Gearchange housing) - TKC2056
Setscrew (4) - SH105161
Washer-Spring (4) - WE105001
Baulk Plate-Reverse - TKC4559
Spring-Baulk Plate - UKC5025
Spacer (For UKC5025) - UKC5003
Shim (For UKC5003) - 146303A
Use as required.
Backing Plate (For TKC4559) - UKC5002
Bolt (2) - GHF132
Washer-Spring (2) - WL106001
Setscrew (2) - SH106121
Nut - NH106041
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