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Home arrow Manual Transmission Parts arrow Ford Truck arrow Ford FM145 FM146 Overhaul Kits




  

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Ford FM145 FM146 Manual Transmission Print E-mail

These quality Mitsubishi Ford truck FM132, FM145 and FM146 manual transmission fm145fm146_large.jpg parts, rebuild kits and overhaul kits are designed to be top of the line overhaul kits. We have include information on how to identify individual transmissions, application information, model year, detailed kit and part availablity by transmission type.

Different overhaul kits are available depending on the extent of the overhaul that you plan, the contents of the kits are described as follows:

DTSBKXXX Kits (RWD): Main case bearings, gaskets, seals. You may also want to add new bearing retainer, nuts, dogs & wires, extension housing bushing, small parts kit, shifter bushings. Syncro rings are not included in these kits.

DTSBKXXXWS Kits (RWD): Main case bearings, gaskets, seals. You may also want to add bearing retainer, nuts, dogs & wires, extension housing bushing, small parts kit, shifter bushings. Syncro rings are included in these kits.

Information and parts are provide for the following Mitsubishi Transmissions: Mitsubishi / Ford Truck FM145/146/132 5 Speed (RWD) an illustrated parts drawing for the FM145 FM166 and K132 is provided.

IDENTIFICATION --- Mitsubishi built aluminum bottom loaded case with 12-bolt steel cover in bottom. The bellhousing is separate from the case and the front bearing retainer is aluminum with no snout. Found in Ranger and Bronco II, both 2WD & 4WD models.

Notorius Problem and Recommended Fix

IDENTIFICATION --- Mitsubishi built aluminum bottom loaded case with 12-bolt steel cover in bottom. The bellhousing is separate from the case and the front bearing retainer is aluminum with no snout. Found in Ranger and Bronco II, both 2WD & 4WD models.

Check "Tag to Component Identification Chart" to verify proper gear/kit application

It's easy to get the correct parts the first time from drivetrain.com.  Using the application tables below just locate your vehicle model, model year,  number of cylinders and engine size read across to identify correct overhaul kit part number.  Make a note of the part number and complete our secure easy order from .

Below you will find parts for the FM132, FM145 and FM146 5 speed transmission used in Ford  Bronco II FM132, Ranger FM132, Bronco II FM145, Ranger FM145, Bronco II FM146 and Ranger FM146 .   In addition to these overhaul kits we can provide miscellaneous hardparts, don't see what you need just give us a call.

Model Cyl. Eng. Trans. Model Year Description Overhaul Kit Your Cost Overhaul Kit with Syncro Rings Your Cost
BRONCO II 4 cyl 2.3L FM132 1988 12 bolt tin bottom pan DTSBK151B $179.08 DTSBK151BWS $234.97
BRONCO II 4 cyl 2.0L FM132 1988 12 bolt tin bottom pan DTSBK151B $179.08 DTSBK151BWS $234.97
BRONCO II 6cyl 2.9L FM132 1988-90 12 bolt tin bottom pan DTSBK151B $179.08 DTSBK151BWS $234.97
RANGER 4cyl 2.0L FM132 1988 12 bolt steel bottom pan DTSBK151B $179.08 DTSBK151BWS $234.97
RANGER 4cyl 2.3L FM132 1988-92 12 bolt steel bottom pan DTSBK151B $179.08 DTSBK151BWS $234.97
RANGER 6cyl 2.9L FM132 1988-90 12 bolt steel bottom pan - 2 wheel drive only - reverse synchro ring DTSBK151B $179.08 DTSBK151BWS $234.97
BRONCO II 4 cyl 2.0L FM145 1985-87 4WD, 12 bolt tin bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
BRONCO II 4 cyl 2.3L FM145 1985-87 4WD, 12 bolt tin bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
BRONCO II 6cyl 2.8L FM145 1985 4WD, 12 bolt tin bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
BRONCO II 6cyl 2.9L FM145 1986-87 4WD, 12 bolt tin bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
RANGER 4cyl 2.0L FM145 1985-87 4WD, 12 bolt steel bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
RANGER 4cyl 2.3L FM145 1985-87 4WD, 12 bolt steel bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
RANGER 6cyl 2.8L FM145 1985-87 4WD, 12 bolt steel bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
RANGER 6cyl 2.9L FM145 1985-87 4WD, 12 bolt steel bottom pan DTSBK151 $179.08 DTSBK151WS $204.14
BRONCO II 4 cyl 2.3L FM146 1988 4WD, 12 bolt tin bottom pan - reverse synchro ring DTSBK151 $179.08 DTSBK151AWS $170.75
BRONCO II 4 cyl 2.0L FM146 1988 4WD, 12 bolt tin bottom pan - reverse synchro ring DTSBK151 $179.08 DTSBK151AWS $196.18
BRONCO II 6cyl 2.9L FM146 1988-90 4WD, 12 bolt tin bottom pan - reverse synchro ring DTSBK151 $179.08 DTSBK151AWS $196.18
RANGER 4cyl 2.0L FM146 1988 4WD, 12 bolt steel bottom pan - reverse synch ring DTSBK151 $179.08 DTSBK151AWS $196.18
RANGER 4cyl 2.3L FM146 1988-92 4WD, 12 bolt steel bottom pan - reverse synch ring DTSBK151 $179.08 DTSBK151AWS $196.18
RANGER 6cyl 2.9L FM146 1988-90 4WD, 12 bolt steel bottom pan - reverse synch ring DTSBK151 $179.08 DTSBK151AWS $196.18
REF # PART NUMBER DESCRIPTION YEARS

COST

SYNCHRO RING KIT     

 

  ASK340 Synchro Ring Kit 1985-87

$60.45

  ASK200 Synchro Ring Kit with Synchronized Reverse 1988-91

$88.90

MISCELLANEOUS KITS    

 

  406002 Gasket and Seal Kit FM145 & FM146 1985-91

$28.48

  ALTD50-55 D50 Gasket Set  

$16.49

MISCELLANEOUS PARTS    

 

Drawing Reference Number     

 

16 TRS406674 FM145 Cluster, 28-26-20-13  

$172.22

16 TRS406674A FM146 Cluster, 28-24-19-13  

$174.39

16 TRS362674 D50 Cluster Gear 28/26/20/13 1.837" 1st gr diam  

$194.56

16 TRS362674A D50 Cluster Gear 28/26/20/13id 1.815" 1st gr diam  

$164.44

32 ALTMIT-11 FM145 3rd Gear, 24t  

$85.98

29 TRS406670 FM146 Input, 20t  

$112.87

29 TRS406670A FM145 input, 19t  

$116.46

29 TRS362670 D50 Input Shaft, 19t uses 6307-N bearing non stepped 21mm thick
 

$114.87

29 TRS262670A D50 Input shaft, 19t-1id uses F6307X1-1 sinput bearing  

$128.85

29 TRS362670B D50 input shaft, 19t uses TMSC0788N non stepped bearing 24mm thick
 

$128.83

11 TRS406585K-1 FM145, FM146 5th Gear Set, Updated  

$160.57

20 ALTMIT-5 FM145, FM146 5th Gear Set, Updated  

$160.57

47A TRS406841 FM145, FM146, D50 1-2 Fork  

$26.52

47 TRS406843 FM145, FM146, D50 3-4 Fork  

$20.16

47B ALTD50-31A FM145, FM146, D50 5th -Rev Fork  

$20.26

80 TRS406709K FM145, D50 5th Rev Synchro Assembly  

$80.80

80 ALTMIT-40 FM146 5th Rev Synchro Assembly  

$87.49

42 TRS406736 FM145, FM146 D50 Rear Retainer  

$20.86

51 TRS406795 FM145, FM146 D50 Main Shaft Nut  

$14.38

52 TRS406796 FM145, FM146 D50 Cluster Nut  

$8.86

  TRS406585AK FM Updated 5th Gear set w/Assembly  

$246.88

  ALTGK-MITA FM146 Updated 5th Gear Set w/Assembly  

$216.78

  MTC-MW990006-R 5th Gear Bearing & Sleeve Update Kit See detailed discussion 1985-1992

$46.62



The Mitsubishi 5 speed used in the Ford Ranger from 1985 to 1992 has had a notorius problem with the 5th gear bearing sleeve wearing into the 5th/reverse synchronizer hub. This problem further has cause the failure of the 5th gear on the mainshaft, causing the 5th gear to seize to the 5th/reverse hub and then break.

The problem is inherent, because the mating-surface area of the 5th gear bearing sleeve is too small. Although pressures against the hub are amplified while the transmission is a high operating temperatures, they decrease significantly when the transmission cools to ambient temperature. This continual pattern causes the sleeve to work loose against the 5th/reverse synchronizer hub and then begins to wear into the splined area of the hub.

As this wears, the preset factory clearances for end play are diminished to the point that the 5th gear on the mainshaft begines to heat the hub and scuffing begins to appear. If this situation is not corrected, it will cause the 5th gear to seize to the hub, breaking the gear teeth.

Given the size and load characteristics of the 5th gear, correcting the problem by simply changing the gear design is next to impossible. Now available is a unique answer to this nagging problem. Not only is it simple but also it is very inexpensive to install. The entire kit includes only tow pieces, a newly designed caged bearing and bearing sleeve (see Figure 1). Further design change directs the radial pressure from the gear to a more specified area on the bearing sleeve.
 

 

mits5speed_fig1.jpg

 

mits5speed_fig2_large.jpg
  Installation

During inspection for a repair or re-build of the Mitsubishi-built 5 speed, closely examine the area where the 5th gear bearing sleeve contacts the 5th/reverse synchronizer hub. If there is any noticeable wear, replace the 5th/reverse synchronizer hub. Also compare old design 5th needle bearing sleeve to new design (see Figure 1), and after inspection install new design 5th bearing sleeve with flange against 5th/reverse synchronizer hub (see Figure 2). Figue 1 also shows the old design.

Apply assembly lube on all mating thrust surfaces and assemble remainder of main shaft. Torque mainshaft nut to 181-195 ft. lbs. Check that the .006" - .010" clearance is maintained between the 5th gear on the mainshaft and the 5th gear thrust washer (see Figure1).

This installation will end you problems of poor th gear end clearance on the Mitsubish-built rear wheel drive 5 speed. The update kit is approved by the OEM manufacture.



By Ray Schoenfelder

 

 
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