AGCO 8425 Four-wheel Drive 4WD Tractors Specifications

Engine

The engine is a Detroit Diesel Series 60 turbocharged diesel 6-cylinder liquid-cooled inline with a displacement of 774 ci/12.7 L. It has a bore/stroke of 5.50x6.00 inches/140 x 152 mm and a compression ratio of 16.5:1. The engine is rated at 425 hp/316.9 kW with a torque of 1500 lb-ft/2034.0 Nm at 1200 rpm. It has a direct injection fuel system and a dual paper element air cleaner with aspirator. The starter volts are 12.

Transmission

The transmission is an Eaton Fuller partially synchronized type with 18 forward and 2 reverse gears. The clutch is a 393.7mm dry disc. The engine is rated at 425 hp/316.9 kW and the drawbar at 346.61 hp/258.5 kW. The transmission is designed to work with the engine to provide optimal power and torque to the wheels. It is a reliable and efficient transmission that is easy to use and maintain.

Brakes

The brakes are hydraulic disc brakes. The Detroit Diesel engine was an option on the 8425 through 1998. Starting in 1999, only the Cummins engine was available. The brakes are designed to provide reliable and efficient stopping power for the tractor. The cab is standard with heat and air conditioning. The brakes are easy to use and maintain.

Steering

The steering is articulated power steering. The steering system is designed to provide precise and responsive steering for the tractor. It is easy to use and maintain. The steering system is reliable and efficient.

Common Problems

Users have reported issues with the chassis, particularly with the 4x4 articulated 4WD system. Some users have also reported problems with the steering system, which can be difficult to maintain. The hydraulic disc brakes have also been known to cause problems, particularly with the brake pads and rotors. The cab can be difficult to maintain, particularly with the heating and air conditioning systems. Some users have also reported problems with the 18-speed partially synchronized transmission.

What Users Like

Users appreciate the power and torque of the Detroit Diesel engine, which provides reliable and efficient performance for the tractor. They also like the ease of use and maintenance of the Eaton Fuller partially synchronized transmission. The hydraulic disc brakes are also popular with users, as they provide reliable and efficient stopping power. The cab is comfortable and well-designed, with standard heating and air conditioning. Users also appreciate the responsive and precise steering system.

Techincal Specifications

Power
Engine	425 hp/316.9 kW
Drawbar (tested)	346.61 hp/258.5 kW
Engine Detail
Description	Detroit Diesel Series 60/turbocharged diesel/6-cylinder/liquid-cooled inline/The Detroit Diesel engine was an option on the 8425 through 1998. Starting in 1999, only the Cummins engine was available.
Displacement	774 ci/12.7 L
Bore/stroke	5.50x6.00 inches/140 x 152 mm
Power	425 hp/316.9 kW
Fuel System	direct injection
Air Cleaner	dual paper elements with aspirator
Pre-heating	coolant heater
Compression	16.5:1
Rated Rpm	2100
Torque	1500 lb-ft/2034.0 Nm
Torque Rpm	1200
Starter Volts	12
Transmission
Transmission	Eaton Fuller
Type	partially synchronized
Gears	18 forward and 2 reverse
Clutch	393.7mm dry disc
Mechanical
Chassis	4x4 articulated 4WD
Steering	articulated power
Brakes	hydraulic disc
Cab	Cab standard with heat and air conditioning.
Transmission	18-speed partially synchronized
Dimensions
Wheelbase	137.1 inches/348 cm
Operating Weight	29485 lbs/13374 kg (duals)
Ballasted Weight	36118 lbs/16383 kg
Dimensions And Tires
Wheelbase	137.1 inches/348 cm
Weight	29485 lbs/13374 kg
Hydraulics
Type	closed center
Pressure	2500 psi/172.4 bar
Valves	4 or 5
Pump Flow	35 gpm/132.5 lpm
Scv Flow	27 gpm/102.2 lpm
Electrical
Ground	negative
Charging System	alternator
Charging Amps	130
Batteries	3
Battery Cca	600
Battery Volts	12
Engines Overview
Description	Cummins 14.0L 6-cyl diesel/Detroit Diesel 12.7L 6-cyl diesel
Engines
Description	Cummins 14.0L 6-cyl diesel/Detroit Diesel 12.7L 6-cyl diesel