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Upton HT-14/350

Upton HT-14/350 tractor
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The Upton HT-14/350 is one of the largest two-wheel drive tractors ever built. The rear axle has a 65,000 pound capacity and the tractor was originally equipped with 20-ply earthmover tires. Over 80% of its 25-ton weight was carried on the rear.
Upton HT-14/350tractor1978Cummins NTC-350350 hptwo-wheel drivestandard-tread tractorspecifications
Power-
Founded-
ModelHT-14/350

Technical Specifications

Detailed specifications and technical data for Upton HT-14/350

Power

Engine:350 hp (261.0 kW)

Tires

Rear tire:33.5x33
Front tire:18.4x26

Engine

Type:aftercooled turbocharged diesel
Model:Cummins NTC-350
Power:350 hp (261.0 kW)
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:2100
Bore/Stroke:5.50x6.00 inches (140 x 152 mm)
Compression:14:1
Displacement:855 ci (14.0 L)

Capacity

Fuel:350 gal (1324.8 L)
Hydraulic system:56 gal (212.0 L)

Dimensions

Width:141 inches (358 cm)
Height:137 inches (347 cm)
Length:258 inches (655 cm)
Weight:40,480 lbs (18361 kg)
Wheelbase:154 inches (391 cm)
Ground clearance:19 inches (48 cm)
Operating weight:51,000 lbs (23133 kg)

Hydraulics

Capacity:56 gal (212.0 L)
Pressure:2031 psi (140.0 bar)
Total flow:48.08 gpm (182.0 lpm)

Mechanical

Cab:standard with air-conditioning and stereo.
Drive:Two-wheel drive
Brakes:Westinghouse drums brakes

Production

Type:Standard-tread tractor
Year:1978
Notes:The Upton HT-14/350 is one of the largest two-wheel drive tractors ever built. The rear axle has a 65,000 pound capacity and the tractor is was originally equipped with 20-ply earthmover tires. Over 80% of its 25-ton weight was carried on the rear.
Built in:Corowa, New South Wales, Australia
Total built:1
Original price:$70,000 (1978)

Transmission

Type:Spicer
Gears:14 forward and 4 reverse