Tractorpedia.com

AGCO AGCOSTAR 8425

AGCO AGCOSTAR 8425 tractor
View Images
The AGCO AGCOSTAR 8425 is a four-wheel drive (4WD) tractor produced from 1995 to 2001. Built in Coldwater, Ohio, USA, it was based on the McConnell 1000 after AGCO purchased McConnell in 1994. The 8425 was available in silver, orange, or red paint for White, Allis, and Massey customers. It features powerful engine options including the Cummins 14.0L 6-cylinder diesel and the Detroit Diesel 12.7L 6-cylinder diesel (available until 1998). The tractor has an 18-speed partially synchronized Eaton Fuller transmission, articulated power steering, hydraulic dry disc brakes, and a cab with air conditioning. It offers strong hydraulic capabilities with a closed center system and multiple valve options. Dimensions include a 137.1 inch wheelbase, 272.4 inch length, and a width of 152.9 inches over duals. The tractor weighs 28300 lbs shipping weight and can be ballasted up to 40375 lbs. Electrical system features a 130 amp alternator and three batteries. The AGCOSTAR 8425 is a robust and versatile 4WD tractor designed for heavy-duty farm work.
AGCOAGCOSTAR 8425tractor4WDfarm tractorCummins engineDetroit DieselEaton Fuller transmissionhydraulic systemtractor specifications
Power425 hp
Founded1995 - 2001
Model8425

Technical Specifications

Detailed specifications and technical data for AGCO AGCOSTAR 8425

Power

Engine power:425 hp (316.9 kW)
Drawbar (tested):346.61 hp (258.5 kW)

Tires

Ag rear:20.8R42, 24.5-32, 30.5L-32, 20.8R38
Ag front:20.8R42, 24.5-32, 30.5L-32, 20.8R38

Engine

Power:425 hp (316.9 kW)
Torque:1500 lb-ft (2034.0 Nm)
Options:Cummins 14.0L 6-cyl diesel, Detroit Diesel 12.7L 6-cyl diesel
Fuel tank:230 gal (870.6 L)
Rated RPM:2100
Torque RPM:1400
Air cleaner:dual paper elements with aspirator
Bore/Stroke:5.50x6.00 inches (140 x 152 mm)
Compression:16.5:1
Cummins N14:turbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled inline
Fuel system:direct injection
Pre-heating:coolant heater
Displacement:855 ci (14.0 L)
Starter volts:12
Detroit Diesel Power:425 hp (316.9 kW)
Detroit Diesel notes:The Detroit Diesel engine was an option on the 8425 through 1998. Starting in 1999, only the Cummins engine was available.
Detroit Diesel Torque:1500 lb-ft (2034.0 Nm)
Detroit Diesel Rated RPM:2100
Detroit Diesel Series 60:turbocharged diesel, 6-cylinder, liquid-cooled inline
Detroit Diesel Torque RPM:1200
Detroit Diesel Fuel system:direct injection
Detroit Diesel Pre-heating:coolant heater
Detroit Diesel Displacement:774 ci (12.7 L)

Height

Cab:133.2 inches (338 cm)
Hood:94.6 inches (240 cm)
Exhaust:138.9 inches (352 cm)

Weight

Shipping:28300 lbs (12836 kg)
Ballasted:40375 lbs (18314 kg)
Max capacity:42500 lbs (19278 kg)

Dimensions

Width:152.9 inches (388 cm) (Width over duals)
Length:272.4 inches (691 cm)
Wheelbase:137.1 inches (348 cm)
Ground clearance:20.5 inches (52 cm)
Clearance (drawbar):23 inches (58 cm)

Electrical

Ground:negative
Batteries:3
Battery CCA:600 (Detroit), 700 (Cummins)
Battery volts:12
Charging amps:130
Charging system:alternator

Hydraulics

Type:closed center
Valves:4 or 5
Pressure:2500 psi (172.4 bar)
SCV flow:27 gpm (102.2 lpm)
Pump flow:35 gpm (132.5 lpm)

Mechanical

Cab:standard with air conditioning
Drive:Four-wheel drive
Brakes:Hydraulic dry disc brakes
Steering:Articulated power steering
Final drives:outboard planetary

Production

Type:Four-wheel Drive (4WD) tractor
Notes: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.
Built in:Coldwater, Ohio, USA
Years produced:1995 - 2001

Transmission

Type:partially synchronized
Gears:18 forward and 2 reverse
Clutch:393.7mm cerametallic disc
Transmission:Eaton Fuller

Related Models

AGCO AGCOSTAR 8360

Model:8360