Knudson

Knudson 310

The Knudson 310 is a four-wheel drive (4WD) tractor produced from 1974 to 1978 by Knudson in Crosby, North Dakota, USA. It features a powerful Cummins 14.0L 6-cylinder turbocharged diesel engine delivering 310 hp, paired with a 12-speed Spicer-Dana 1262 gear transmission with a Rockwell T-228 two-speed transfer case. The tractor includes advanced mechanical features such as planetary final drives, power four-wheel steering, and a cab with standard air-conditioning. It has a large fuel tank capacity of 235 gallons and an open center hydraulic system with 3 rear valves. The tractor rides on 23.1-26 tires front and rear, with a wheelbase of 144 inches and a maximum weight of 24,000 lbs.
Power310 hp
Founded1974 - 1978
Model310

Technical Specifications

Detailed specifications and technical data for Knudson 310

Power
Engine power310 hp (231.2 kW)
Tires
Rear tire23.1-26
Front tire23.1-26
Engine
Typeturbocharged diesel
ModelCummins NT-855-310
Power310 hp (231.2 kW)
Torque852 lb-ft (1155.3 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders6-cylinder
Fuel tank235 gal (889.5 L)
Rated RPM2100
Torque RPM1600
Air cleanerdry
Bore/Stroke5.50x6.00 inches (140 x 152 mm)
Displacement855 ci (14.0 L)
Oil capacity42 qts (39.7 L)
Starter volts12
Coolant capacity52 qts (49.2 L)
Variants
310Hhillside self-leveling
Dimensions
Width174 inches (441 cm)
Height136 inches (345 cm)
Length262 inches (665 cm)
Wheelbase144 inches (365 cm)
Max weight24000 lbs (10886 kg)
Electrical
Battery volts12
Charging amps75
Charging systemalternator
Hydraulics
Typeopen center
Rear valves3
Mechanical
Cabstandard with air-conditioning
Drive4x4 4WD
Final drivesplanetary
Power four-wheel steeringyes
Production
TypeFour-wheel Drive (4WD) tractor
Built inCrosby, North Dakota, USA
Years made1974 - 1978
Transmission
Typegear
Gears12 forward and 2 reverse
ModelSpicer-Dana 1262
Clutch394mm cerametallic discs
Additional info1262 transmission with Rockwell T-228 two-speed transfer case