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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	International Harvester 706Tractor
Tractor Type	Agricultural Crawler Tractor	Farm Tractor
Horsepower	26.8 kW	—
Weight	3670.0 kg	3790.0 kg
Transmission Type	Gear type with dry disc clutch	—
Length	287.0 cm	396.0 cm
Years Made	1953-1959	1963-1967
Engine Model	David Brown	International Harvester C291
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	Gas: 12V; Diesel: two 6V
Starter	Electric	Electric
Height	142.0 cm	204.0 cm
Track Size	13 in. tracks	—
Fuel Tank Capacity	66.0 l	124.9 l
Oil Capacity	11.4 l	8.5 l
Coolant Capacity	15.9 l	19.9 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 FWA 4WD
Max. Travel Speed	4.7 km/h	14.1 km/h
Cabin Type	Open operator station	Open operator station or Cab
Pump Flow	—	64.4 LPM
Rear PTO Type	—	Independent
Rear PTO Speed	—	540 /1000 RPM
Wheelbase	—	220.0 cm
Ground Clearance	—	33.0 cm
Hydraulic Capacity	—	64.4 l
Transmission Model	—	Torque Amplifier
Brakes	—	Hydraulic disc
Drawbar Category	—	II/I
Hitch Type	—	Torsion bar
Steering Type	—	Hydrostatic power
Front Tires	—	Ag: 7.50-18 , 11.2-24
Rear Tires	—	Ag: 18.4-30
Hydraulic Type	—	Open center
Total Flow	—	90.8 LPM
Steering Flow	—	34.1 LPM
Valves	—	1 or 2
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