All 83 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
AGCO
(no label)
Four-wheel Drive (4WD) tractor
(no label)
Built in Coldwater, Ohio, USA
(no label)
The AGCOSTAR 8425 was based on the McConnell 1000, AGCO had purchased McConnell in 1994. The 8425 was available in silver, orange, or red paint for White, Allis, and Massey customers.
Engine
(no label)
Cummins 14.0L 6-cyl diesel
(no label)
Detroit Diesel 12.7L 6-cyl diesel
Fuel tank
230 gal | 870.6 L
Transmission
(no label)
18-speed partially synchronized
Power
Engine
425 hp | 316.9 kW
Drawbar (tested)
346.61 hp | 258.5 kW
Mechanical
(no label)
Four-wheel drive
Final drives
outboard planetary
(no label)
Articulated power steering
(no label)
Hydraulic dry disc brakes
(no label)
Cab standard with air conditioning.
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
Dimensions
Wheelbase
137.1 inches | 348 cm
Weight
28300 lbs | 12836 kg
Front tire
20.8R42
Rear tire
20.8R42
Electrical
Ground
negative
Charging system
alternator
Charging amps
130
Batteries
3
Battery CCA
600 (Detroit)
Battery CCA
700 (Cummins)
Battery volts
12
Engine
Engine options
(no label)
Cummins 14.0L 6-cyl diesel
(no label)
Detroit Diesel 12.7L 6-cyl diesel
Engine detail
(no label)
Cummins N14
(no label)
turbocharged aftercooled diesel
(no label)
6-cylinder 24-valve
(no label)
liquid-cooled inline
Displacement
855 ci | 14.0 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
1400
Starter volts
12
(no label)
Detroit Diesel Series 60
(no label)
turbocharged diesel
(no label)
6-cylinder
(no label)
liquid-cooled inline
(no label)
The Detroit Diesel engine was an option on the 8425 through 1998. Starting in 1999, only the Cummins engine was available.