Isuzu KB P190. Manual - part 1141

Section 7B Manual Transmission MSG......................................................................... 4613

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Section 7B1 Manual Transmission MUA ...................................................................... 4655

SECTION 7 

MANUAL TRANSMISSION

TABLE OF CONTENTS 

TRANSMISSION

Section 7B1 Manual Transmission MUX ...................................................................... 4768

Section 7C Clutch ........................................................................................................... 4827

MSG MODEL  7B-1 

SECTION 7B 

MANUAL TRANSMISSION 

(MSG) 

TABLE OF CONTENTS 

 PAGE 

Main Data and Specifications.....................................................................................  7B -  

2 

General Description ....................................................................................................  7B -  

3 

Torque Specification ...................................................................................................  7B -  

4 

Repair Kit  ....................................................................................................................  7B -  

6 

Removal and Installation  ...........................................................................................  7B -  

7 

Disassembly ................................................................................................................  7B -   15 

Inspection and Repair  ................................................................................................  7B -   25 

Reassembly .................................................................................................................  7B -   29 

Special Service Tool ...................................................................................................  7B -   42 

 

7B-2  MSG MODEL 

MAIN DATA AND SPECIFICATIONS 

 

Transmission type 

Fully synchronized 5-forward gears with a constant 

mesh type reverse gear. 

 

 

 

Transmission Control 

Direct control with the gear shift lever on the floor. 

 

 

 

Gear ratio 

MSG5K 

1st : 

4.122 

2nd : 

2.493 

3rd : 

1.504 

4th : 

1.000 

5th : 

0.855 

Rev : 

3.720 

 

 

 

Oil capacity 

lit. (US gal.) 

1.55(0.41) 

 

 

 

Weight ; approx. 

kg(lbs) 

33.3(73.8) 

 
 
 

MSG MODEL  7B-3 

GENERAL DESCRIPTION 

 

 
The MSG type transmission is fully synchronized 5-speed unit with blocking ring type synchronizers and a constant 
mesh type reverse gear. 
The unit consists principally of a case with an integral clutch housing, intermediate plate, rear cover and gears. 
The top of the rear cover is a quadrant box containing the transmission control mechanism. 
The case and rear cover are cast aluminum alloy to reduce weight.