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Tractor · 1978Unverified

Upton HT-14/350

Name: Upton HT-14/350
Brand: Upton

Upton HT-14/350 — Standard-tread tractor · 350 hp. Reference specifications; pending source verification.

The Upton HT-14/350 is a tractor with a rating of 350 hp, categorising it as a high-powered machine in its class. Manufactured in 1978, this model features a 6-cylinder turbocharged diesel liquid-cooled engine, paired with a 14-speed gearbox for two-wheel drive. The Upton HT-14/350 has a listed weight of 40480 to 51000 pounds and is suited for tasks covering approximately 1,500+ acres.

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

Catalogue coverage

Variants represented

Richest spec table

40 rows

Recorded power

350 hp

Recorded weight

18361 kg

Production years

1978-1978

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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