AGCO AGCOSTAR 8425: all source data

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
ManufacturerAGCO
(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 tank230 gal | 870.6 L
Transmission
(no label)18-speed partially synchronized
Power
Engine425 hp | 316.9 kW
Drawbar (tested)346.61 hp | 258.5 kW
Mechanical
(no label)Four-wheel drive
Final drivesoutboard planetary
(no label)Articulated power steering
(no label)Hydraulic dry disc brakes
(no label)Cab standard with air conditioning.
Hydraulics
Typeclosed center
Pressure2500 psi | 172.4 bar
Valves4 or 5
Pump flow35 gpm | 132.5 lpm
SCV flow27 gpm | 102.2 lpm
Dimensions
Wheelbase137.1 inches | 348 cm
Weight28300 lbs | 12836 kg
Front tire20.8R42
Rear tire20.8R42
Electrical
Groundnegative
Charging systemalternator
Charging amps130
Batteries3
Battery CCA600 (Detroit)
Battery CCA700 (Cummins)
Battery volts12

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
Displacement855 ci | 14.0 L
Bore/Stroke5.50x6.00 inches | 140 x 152 mm
Power425 hp | 316.9 kW
Fuel systemdirect injection
Air cleanerdual paper elements with aspirator
Pre-heatingcoolant heater
Compression16.5:1
Rated RPM2100
Torque1500 lb-ft | 2034.0 Nm
Torque RPM1400
Starter volts12
(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.
Displacement774 ci | 12.7 L
Power425 hp | 316.9 kW
Fuel systemdirect injection
Pre-heatingcoolant heater
Rated RPM2100
Torque1500 lb-ft | 2034.0 Nm
Torque RPM1200

Transmission

Transmission
TransmissionEaton Fuller
Typepartially synchronized
Gears18 forward and 2 reverse
Clutch393.7mm cerametallic disc

Dimensions

Tires
Ag front20.8R42
Ag rear20.8R42
Ag front24.5-32
Ag front30.5L-32
Ag front20.8R38
Ag rear24.5-32
Ag rear30.5L-32
Ag rear20.8R38
Dimensions
Wheelbase137.1 inches | 348 cm
Length272.4 inches | 691 cm
Width152.9 inches | 388 cm
Ground clearance20.5 inches | 52 cm
Clearance (drawbar)23 inches | 58 cm
Weight
Shipping28300 lbs | 12836 kg
Ballasted40375 lbs | 18314 kg
Max capacity (Max)42500 lbs | 19278 kg
Height
Hood94.6 inches | 240 cm
Cab133.2 inches | 338 cm
Exhaust138.9 inches | 352 cm