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

FeatureAllis Chalmers 7080TractorMassey Ferguson 2805Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower156.7 kW141.7 kW
Weight6190.0 kg7275.0 kg
Lift Capacity3030.0 kg—
Transmission TypePartial power shiftMechanical shuttle with dual cerametallic dry disc clutch
Length414.0 cm482.0 cm
Pump Flow87.1 LPM62.5 LPM
Years Made1975-19811978-1983
Engine ModelAllis Chalmers 670HIPerkins ATV8.640
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, V8
Fuel TypeDieselDiesel
Cylinders68
Displacement6980 cc10487 cc
Bore10.79 cm11.81 cm
Stroke12.70 cm12.09 cm
Rear PTO TypeIndependentIndependent with hydraulic clutch
Rear PTO Speed1.000 RPM1000 RPM
Rated RPM2550 RPM2500 RPM
Compression Ratio16.0:116.0:1
Battery12 VTwo 12V
StarterElectricElectric
Height297.0 cm—
Width242.0 cm232.0 cm
Wheelbase269.0 cm279.0 cm
Fuel Tank Capacity242.2 l329.3 l
Oil Capacity23.7 l22.7 l
Coolant Capacity34.1 l52.1 l
Transmission Oil Capacity28.0 l113.6 l
Transmission ModelPower Director—
Final DriveInboard planetaryPlanetary
Gears20 forward and 4 reverse8 forward and 6 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed13.2 km/h14.3 km/h
BrakesDifferential hydraulic wet discsHydraulic wet disc
Drawbar CategoryIII/IIIII/II
Cabin TypeAccousta cab or Four-post ROPS canopyCab or platform configuration with four-post ROPS.
Steering TypeHydrostatic powerHydrostatic power
Front TiresAg: 14L-16Ag: 11.00-16
Rear TiresAg: 20.8-38Ag: 20.8-38
Hydraulic TypeClosed centerOpen center
Total Flow177.9 LPM—
Steering Flow37.9 LPM20.8 LPM
Valves22 or 3
Ground Clearance—39.0 cm
Hitch Type—Position control and lower-link draft sensing
Sourceheavyequipments.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