Ford 8N

Ford 8NThe Ford 8N is a 2WD utility tractor from the N series. This tractor was manufactured by the Ford in Highland Park, Michigan, USA from 1947 to 1952. The Ford 8N is equipped with 2.0 L, four-cylinders gasoline engine and one of two transmissions: constant mesh transmission with 4 forward and 1 reverse gear or Sherman combination transmission with 12 forward and 3 reverse gears.

The Ford 8N utility tractor used 2.0 L, 1,981 cm2, (120 cu·in) four-cylinders gasoline engine with 81.0 mm (3.19 in) of cylinder bore and 95.0 mm (3.74 in) of piston stroke. This engine produced 27.7 PS (20.4 kW; 27.4 HP) at rpm of PTO horsepower. The engine used L-head design with 2 valves per cylinder (8 in total); cast alloy statically and dynamically balanced crankshaft; aluminum alloy pistons and full-floating piston pins.

The Ford 8N is equipped with mechanical (ball-net gear) steering, manual drum brakes, open operator station and 37.9 liters (10 US gal.; 8.3 Imp. gal) fuel tank and one gallon in reserve tank.

Ford 8N Specifications

General Specifications
ModelFord 8N
Length2,920 mm (115 in)
Width1,640 mm (64.6 in)
Height1,380 mm (54.3 in)
Wheel base1,770 mm (69.7 in)
Weight1,833 kg (4041.1 lbs)
Fuel tank capacity37.9 liters (10 US gal.; 8.3 Imp. gal)
Battery6V 80A
Cabin typeOpen operator station
Engine modelFord
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeGasoline
Displacement2.0 L, 1,981 cm2, (120 cu·in)
Bore and stroke81.0 mm X 95.0 mm (3.19 in X 3.74 in)
Compression ratio6.0:1, 6.5:1, 6.7:1
Horsepower27.7 PS (20.4 kW; 27.4 HP)
Torque124.8 N·m (12.7 kg·m, 92 ft·lb) at 1,500 rpm
Oil capacity:5.7 L (6.02 US. qt, 5.02 Imp. qt.)
Coolant capacity:11.4 L (12.05 US. qt, 10.03 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeMechanical (ball-net gear)
BrakesManual drum
Transmission model
Transmission typeConstant mesh
Gears4 forward and 1 reverse
Speed Forward: 21.9 kmh (13.6 mph) Reverse: 9.8 (6.1 mph)
Transmission oil capacity18.9 L (19.97 US. qt, 16.63 Imp. qt.)
Transmission model
Transmission typeSherman combination transmission
Gears12 forward and 3 reverse
Speed Forward: 37.2 kmh (23.1 mph) Reverse: 16.5 (10.3 mph)
Front tiresAg: 4.00-19; 6.00-16
Rear tiresAg: 10-28; 11.2-28
Three-Point Hitch
Control type
Lift capacity362 kg (798 lbs)
PTO (Power take-off shaft)
Rear PTO typeTransmission
Rear PTO spped545 rpm
Hydraulic system
Hydraulic type
Hydraulic capacity18.9 L (19.97 US. qt, 16.63 Imp. qt.)
Pressure1700 psi (117.2 bar)
Pump flow2.85 gpm (10.8 lpm)
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    • Menards carries both Ford red and Ford grey. The red comes in a spray shaker can and the grey comes in pints. They are the authentic colors. It’s expensive but it’s good hard enamel paint. I spent about $200 to cover my tractor but it has front end loader. it probably would have been a little over $100 to cover the whole tractor

  1. what is the rated capacity of this ford 8n tractor? like towing or pushing capacity in thousands of pounds? can not seem to find it. thanks in advance.

  2. We have an 8N and for the longest time, the positive side of the battery goes to ground and the negative goes to the starter. Its always worked this way but is this correct?

    • If it works, don’t change it! I’m sure you won’t anyway, without doing research. I will consult my 8N manual and look at my 8N when I get back to it next week.

    • This is kinda dating me(old,but not as old as thes tractors!) Many of the cars and tractors from the 20’S to the 50’s we’re 6v Positive ground systems,growing up we had 49 8N w the step up trans and Dearborn lift ,I converted it to 12v neg ground and used a internal regulated Delcotron alternator after that it would start easily even coldest winter,I would plow drivways all day back then!

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