Tractor · 1956Unverified
Massey-Harris 444
Massey-Harris 444 — Row-Crop tractor · 48 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
48 hp
Max power
32.7 kW
Weight
2948 kg
Hover a source tag to verify
Overview
ManufacturerMassey-HarrisReference
Row-Crop tractorReference
Built in Racine, Wisconsin, USAReference
Total built7,131Reference
Original price was $3,650 in 1958Reference
Two-wheel driveReference
SteeringmanualReference
Steeringpower optionalReference
Differential mechanical shoe brakesReference
Open operator station.Reference
Engine
Massey Harris 4.5L 4-cyl dieselReference
Massey-Harris 4.5L 4-cyl LP gasReference
Massey-Harris 4.5L 4-cyl gasolineReference
Fuel tank87.1 LReference
Drawbar (claimed)26.1 kWReference
Belt (claimed)32.1 kWReference
Drawbar (tested)33.8 kWReference
Belt (tested)36.7 kWReference
Massey HarrisReference
dieselReference
4-cylinderReference
liquid-cooled vertical I-headReference
Displacement4.5 LReference
Bore/Stroke102 x 140 mmReference
Air cleaneroil bathReference
Compression15.9:1Reference
Rated RPM1500Reference
Starter volts12Reference
Coolant capacity20.8 LReference
Massey-HarrisReference
LP gasReference
Compression9:1Reference
Coolant capacity21.8 LReference
gasolineReference
liquid-cooledReference
Belt power (max)36.0 kWReference
Max power32.7 kWReference
Belt power (max)36.7 kWReference
Max power33.8 kWReference
Transmission
10-speed gearReference
TypegearReference
Gears10 forward and 2 reverseReference
Five gears, plus reverse, in two ranges.Reference
PTO & Hydraulics
PTO (claimed)35.8 kWReference
Rear PTOindependentReference
Rear PTO Type540Reference
Engine RPM542@1500Reference
Dimensions
Wheelbase223 cmReference
Weight2948 kgReference
Front tire6.50-16Reference
Rear tire13-38Reference
Ag front6.50-16Reference
Ag rear13-38Reference
Operating weight2948 kgReference
Ballasted weight4304 kgReference
444 Serial Number Location
Serial number plate on the right side of the tractor frame, ahead of the rear axle.Reference
Test results
NTTL 576: diesel 10-speed 2WDReference
NTTL 602: LP gas 10-speed 2WDReference
Diesel 10-speed 2WDJune 2 - 14, 1956Link: Nebraska Tractor Test 576 fileReference
Belt fuel use (max)12.1 l/hourReference
Drawbar performanceReference
Max pull2931 kgReference
Gear 1L used for pull test.Reference
LP gas 10-speed 2WDOctober 25 - November 3, 1956Link: Nebraska Tractor Test 602 fileReference
Belt fuel use (max)19.3 l/hourReference
Max pull2963 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.