Upton HT-14/350: all source data

All 41 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
ManufacturerUpton
(no label)Standard-tread tractor
(no label)Built in Corowa, New South Wales, Australia
Total built1
Original price$70,000 (1978)
(no label)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.
Engine
(no label)Cummins 14.0L 6-cyl diesel
Transmission
(no label)14-speed
Power
Engine350 hp | 261.0 kW
Mechanical
(no label)Two-wheel drive
(no label)Westinghouse drums brakes
(no label)Cab standard with air-conditioning and stereo.
Capacity
Fuel350 gal | 1324.8 L
Hydraulic system56 gal | 212.0 L
Hydraulics
Capacity56 gal | 212.0 L
Pressure2031 psi | 140.0 bar
Total flow48.08 gpm | 182.0 lpm
Dimensions
Wheelbase154 inches | 391 cm
Weight40480 to 51000 pounds
Front tire18.4x26
Rear tire33.5x33

Engine

Engine detail
(no label)Cummins NTC-350
(no label)aftercooled turbocharged diesel
(no label)6-cylinder
(no label)liquid-cooled
Displacement855 ci | 14.0 L
Bore/Stroke5.50x6.00 inches | 140 x 152 mm
Power350 hp | 261.0 kW
Compression14:1
Rated RPM2100

Transmission

Transmission
TransmissionSpicer
Gears14 forward and 4 reverse

Dimensions

Tires
Ag front18.4x26
Ag rear33.5x33
Dimensions
Wheelbase154 inches | 391 cm
Length258 inches | 655 cm
Width141 inches | 358 cm
Height137 inches | 347 cm
Weight40,480 lbs | 18361 kg
Operating weight51,000 lbs | 23133 kg
Ground clearance19 inches | 48 cm