Product Description
This 1977 International Harvester 444 (diesel) is a 38-horsepower utility tractor designed for small farms, landscaping, and chores.
Engine & Powertrain
Engine: 2.5L (154 cu. in.) International BD-154 4-cylinder indirect-injection diesel engine.
Output: ~38 PTO HP / 33 Drawbar HP.
Transmission: 8-forward / 2-reverse dual-range sliding gear transmission (optional mechanical forward-reverse shuttle).
Electrical System: Originally configured as a 12-volt system with a generator/voltage regulator (or upgraded alternator).
Hydraulics & Hitch
Three-Point Hitch: Category 1 rear hitch with draft control and position control.
Lift Capacity: ~1,800 lbs lift capacity at the hitch pins.
PTO: Live or constant-running 540 RPM rear PTO driven off a two-stage foot clutch.
Hydraulics: Open-center hydraulic system with an ~8-gallon reservoir supplying internal hitch lift and optional remote valves.
Dimensions & Chassis
Weight: ~3,800–4,000 lbs operating weight.
Axles: Adjustable front axle with traditional round or square tube center (depending on assembly location).
Steering: Manual steering standard, with hydrostatic power steering as a popular factory option.
Tires: Standard 6.00-16 front tires and 13.6-28 rear ag tires.
US vs. British Variants
**US Models (1967–1971): Final assembly in Louisville, KY, using British-imported BD-154 diesel engines and transmissions paired with US electrical systems, sheet metal, and front-end components.
UK/Canadian Models (1972–1977): Manufactured in Doncaster/Bradford, England, featuring Lucas electrical systems and square front axles, continuing production after the US switched to the 454 series.