Massey Ferguson 6400 - Issue 4.a
2C30.3
GBA25/GPA20 separation
A . General
There are two procedures for disassembling the
gearbox and the centre housing, depending on the
type of operation to be carried out on the tractor.
Disassembly with the cab fixed to the
centre housing
Accessible elements:
• Creeper unit and creeper gear selection mechanism
(depending on option)
• Power take-off clutch
• Handbrake mechanism (only on tractors with no
creeper gears)
Disassembly with the cab fixed to the
gearbox
Accessible element:
• Crownwheel and pinion.
N
OTE: Due to the various types of hydraulic equipment
that may be fitted onto the tractor, this section
describes the general disassembly procedure. Before
and during disassembly, check that all connections
between the fixed assembly and mobile assembly
have been disconnected.