SPECS / COMPARISON

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

Feature	David Brown 30TDTractor	Farmall 756Tractor
Tractor Type	Agricultural Crawler Tractor	Row-Crop Tractor
Horsepower	26.8 kW	—
Weight	3670.0 kg	3790.0 kg
Transmission Type	Gear type with dry disc clutch	Torque amplifier
Length	287.0 cm	416.0 cm
Years Made	1953-1959	1967-1971
Engine Model	David Brown	International Harvester C-291
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Gasoline/LP-gas
Cylinders	4	6
Displacement	2704 cc	4768 cc
Bore	9.19 cm	9.50 cm
Stroke	10.21 cm	11.20 cm
Battery	12 V, 120Ah	Diesel: Two 6V, 130Ah;Gas/LP-gas: One 12V, 60Ah
Starter	Electric	Electric
Height	142.0 cm	208.0 cm
Track Size	13 in. tracks	—
Fuel Tank Capacity	66.0 l	147.6 l
Oil Capacity	11.4 l	8.5 l
Coolant Capacity	15.9 l	19.4 l
Transmission Oil Capacity	43.2 l	64.4 l
Gears	6 forward and 2 reverse	16 forward and 8 reverse
Chassis	Crawler	4×2 2WD or 4×4 MFWD 4WD
Max. Travel Speed	4.7 km/h	14.5 km/h
Cabin Type	Open operator station	Open operator station or Cab
Rear PTO Type	—	Independent
Rear PTO Speed	—	1000, 540/1000 RPM
Compression Ratio	—	7.6:1
Wheelbase	—	266.0 cm
Brakes	—	Independent hydraulic disc
Drawbar Category	—	II
Hitch Type	—	IH Fast Hitch
Steering Type	—	Hydrostatic power
Front Tires	—	Ag: 6.50-16
Rear Tires	—	Ag: 15.5-38
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