Tractor · 1978Unverified
Upton HT-14/350
Upton HT-14/350 — Standard-tread tractor · 350 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
350 hp
Weight
40480 to 51000 pounds
Hover a source tag to verify
Overview
ManufacturerUptonReference
Standard-tread tractorReference
Built in Corowa, New South Wales, AustraliaReference
Total built1Reference
Original price$70,000 (1978)Reference
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.Reference
Two-wheel driveReference
Westinghouse drums brakesReference
Cab standard with air-conditioning and stereo.Reference
PTO & Hydraulics
Cummins 14.0L 6-cyl dieselReference
14-speedReference
Engine261.0 kWReference
Hydraulic system212.0 LReference
Capacity212.0 LReference
Pressure140.0 barReference
Total flow182.0 lpmReference
Ag front18.4x26Reference
Ag rear33.5x33Reference
Capacities
Fuel1324.8 LReference
Dimensions
Wheelbase391 cmReference
Weight40480 to 51000 poundsReference
Front tire18.4x26Reference
Rear tire33.5x33Reference
Length655 cmReference
Width358 cmReference
Height347 cmReference
Weight18361 kgReference
Operating weight23133 kgReference
Ground clearance48 cmReference
Engine
Cummins NTC-350Reference
aftercooled turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement14.0 LReference
Bore/Stroke140 x 152 mmReference
Power261.0 kWReference
Compression14:1Reference
Rated RPM2100Reference
Transmission
TransmissionSpicerReference
Gears14 forward and 4 reverseReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.