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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

Feature	David Brown 50TDTractor	International Harvester 300Tractor
Tractor Type	Agricultural Crawler Tractor	Utility Tractor
Horsepower	37.3 kW	—
Weight	2025.0 kg	2000.0 kg
Transmission Type	Gear type with dry disc clutch	Partial power shift with dry disc clutch
Length	307.0 cm	299.0 cm
Years Made	1953-1958	1955-1956
Engine Model	David Brown	International Harvester C169
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Gasoline or LP gas
Cylinders	6	4
Displacement	4065 cc	2769 cc
Bore	9.19 cm	8.99 cm
Stroke	10.21 cm	10.79 cm
Rear PTO Speed	540 RPM	540 RPM
Rated RPM	1800 RPM	—
Compression Ratio	15.9:1	Gasoline: 6.6:1LP-gas: 8.75:1
Battery	12 V, 108Ah	6 V or 12V
Starter	Electric	Electric
Height	142.0 cm	147.0 cm
Track Size	14-inch tracks	—
Optional Track Size	16-inch tracks, 18-inch tracks	—
Fuel Tank Capacity	66.0 l	42.6 l
Oil Capacity	13.6 l	—
Coolant Capacity	18.0 l	15.6 l
Transmission Oil Capacity	54.0 l	—
Transmission Model	David Brown	Torque Amplifier
Gears	6 forward and 2 reverse	10 forward and 2 reverse
Chassis	Crawler	4×2 2WD
Max. Travel Speed	4.2 km/h	4.8 km/h
Cabin Type	Open operator station	Open operator station
Steering Type	Controlled differential	—
Rear PTO Type	—	Transmission or independent
Wheelbase	—	190.0 cm
Brakes	—	Differential mechanical disc
Hitch Type	—	IH Fast Hitch
Front Tires	—	Ag: 5.50-16
Rear Tires	—	Ag: 10.00-28, 12.00-28
Source	heavyequipments.net archive (imported 2026-10)	heavyequipments.net archive (imported 2026-10)

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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051