Production
| Description | Built in Coldwater, Ohio, USA / 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. |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | AGCO |
Engine
| Engine type | Cummins 14.0L 6-cyl diesel / Detroit Diesel 12.7L 6-cyl diesel |
|---|---|
| Fuel tank | 230 gal (870.6 L) |
| Air cleaner | dual paper elements with aspirator |
| Bore/Stroke | 5.50x6.00 inches (140 x 152 mm) |
| Compression | 16.5:1 |
| Description | Cummins N14 / turbocharged aftercooled diesel / 6-cylinder 24-valve / liquid-cooled inline / 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 | 855 ci (14.0 L) / 774 ci (12.7 L) |
| Fuel system | direct injection / direct injection |
| Power | 425 hp (316.9 kW) / 425 hp (316.9 kW) |
| Pre-heating | coolant heater / coolant heater |
| Rated RPM | 2100 / 2100 |
| Starter volts | 12 |
| Torque | 1500 lb-ft (2034.0 Nm) / 1500 lb-ft (2034.0 Nm) |
| Torque RPM | 1400 / 1200 |
| Engine type | Cummins 14.0L 6-cyl diesel / Detroit Diesel 12.7L 6-cyl diesel |
| Drawbar (tested) | 346.61 hp (258.5 kW) |
Transmission
| Clutch | 393.7mm cerametallic disc |
|---|---|
| Gears | 18 forward and 2 reverse |
| Transmission | Eaton Fuller |
| Transmission type | 18-speed partially synchronized |
| Type | partially synchronized |
Mechanical
| Cab | Cab standard with air conditioning. |
|---|---|
| Description | Articulated power steering / Hydraulic dry disc brakes |
| Drive type | Four-wheel drive |
| Final drives | outboard planetary |
Hydraulics
| Pressure | 2500 psi (172.4 bar) |
|---|---|
| Pump flow | 35 gpm (132.5 lpm) |
| SCV flow | 27 gpm (102.2 lpm) |
| Type | closed center |
| Valves | 4 or 5 |
Electrical
| Batteries | 3 |
|---|---|
| Battery CCA | 600 (Detroit) |
| Battery volts | 12 |
| Charging amps | 130 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 20.8R42 / 24.5-32 |
|---|---|
| Ag rear | 20.8R42 / 24.5-32 |
| Clearance (drawbar) | 23 inches (58 cm) |
| Ground clearance | 20.5 inches (52 cm) |
| Length | 272.4 inches (691 cm) |
| Wheelbase | 137.1 inches (348 cm) |
| Width | 152.9 inches*Width over duals. (388 cm) |
| Front tire | 20.8R42 |
| Rear tire | 20.8R42 |
| Weight | 28300 lbs (12836 kg) |
| Wheelbase | 137.1 inches (348 cm) |
AGCO 8425 Height
| Cab | 133.2 inches (338 cm) |
|---|---|
| Exhaust | 138.9 inches (352 cm) |
| Hood | 94.6 inches (240 cm) |
AGCO 8425 Weight
| Ballasted | 40375 lbs (18314 kg) |
|---|---|
| Max capacity | 42500 lbs (19278 kg) |
| Shipping | 28300 lbs (12836 kg) |
OCED Tractor Test 1721
| Description | Cummins diesel 18-speed 4WDOctober 1 - 22, 1996Link: OCED Tractor Test 1721 file / Drawbar performance / Gear 5L used for power test. / Gear 2H used for pull test. |
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| Fuel use | 22.1 gal/hour (83.6 l/hour) |
| Max power | 346.61 hp (258.5 kW) |
| Max pull | 35,497 lbs (16101 kg) |
References
| Description | AgcoStar published in 1995, by AGCO* / AGCOSTAR Sales Training Manual published in 1995 / AgcoStar: Stellar Performance...Down-To-Earth Value. published in 1995, by AGCO / AgcoStar: Built To be Big On Economy & Production. published in 1997, by AGCO / Product Insight: 9300 STEIGER vs. Agcostar 8360 & 8425 published in 1996 / *Publication contains known errors. |
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