Ford 851 Engine Technical Data
Gasoline Engine
Engine Model ……………………. Ford EAF
Engine Type ……………………. Vertical overhead valve,
4-cylinder gasoline
Number of Cylinders ……………………. 4 Inline
Displacement, cu in (L) ……………………. 172 (2.8)
Engine Bore, in (mm) ……………………. 3.90 (99.0)
Engine Stroke, in (mm) ……………………. 3.60 (91.0)
Rated Engine Power, hp (kW) ……………………. 62.6 (46.7)
Rated Engine Speed, rpm ……………………. 2000
Maximum Torque, Nm (ft-lbs) ……………………. 225 (166)
Torque Speed, rpm ……………………. 1600
Compression ……………………. 7.5:1
Firing Order ……………………. 1-2-4-3
Spark Plug Gap, in (mm) ……………………. 0.027 (0.686)
Point Gap, in (mm) ……………………. 0.025 (0.635)
Valve Clearance, in (mm) ……………………. 0.015 (0.381)
Air Cleaner ……………………. Oil bath
Fuel Tank Capacity, gal (L) ……………………. 17.0 (64.3)
Oil Capacity, qts (L) ……………………. 5.0 (4.7)
Coolant Capacity, qts (L) ……………………. 15.0 (14.2)
Electrical System Rating, Volts ……………………. 6
Charging System ……………………. Generator
Battery Rating, A/h ……………………. 80
Diesel Engine
Engine Model ……………………. Ford
Engine Type ……………………. Vertical, 4-cylinder diesel
Number of Cylinders ……………………. Four, Inline
Displacement, cu in (L) ……………………. 172 (2.8)
Engine Bore, in (mm) ……………………. 3.90 (99.0)
Engine Stroke, in (mm) ……………………. 3.60 (91.0)
Rated Engine Power, hp (kW) ……………………. 56.3 (42.0)
Rated Engine Speed, rpm ……………………. 2200
Maximum Torque, Nm (ft-lbs) ……………………. 190 (140)
Torque Speed, rpm ……………………. 1400
Compression ……………………. 16.8:1
Firing Order ……………………. 1-2-4-3
Air Cleaner ……………………. Oil bath
Fuel Tank Capacity, gal (L) ……………………. 17.0 (64.3)
Electrical System Rating, Volts ……………………. 12
Charging System ……………………. Generator
Battery Rating, A/h ……………………. 135
Ford 851 Power Take-Off
PTO Operational Type ……………………. Transmission
PTO Horsepower (Diesel), hp (kW) ……………………. 45.9 (34.0)
PTO Horsepower (Gasoline), hp (kW) ……………………. 50.7 (37.6)
PTO Speed, rpm ……………………. 540
Transmission Configuration
Transmission Type (Std) ……………………. 5F/1R, Unsynchronized
gear
Number of Forward Gears ……………………. 5
Number of Reverse Gears ……………………. 1
Clutch ……………………. Dry disc
Maximum Forward Speed, mph (kph) ……………………. 12.0 (19.2)
Maximum Reverse Speed, mph (kph) ……………………. 3.9 (6.3)
Oil Capacity, qts (L) ……………………. 8.0 (7.6)
Service Brake ……………………. Differential mechanical
expanding shoe
Ford 851 Wheels and Tires
Drive Wheels ……………………. 2WD 4×2
Steering Configuration ……………………. Front Steer
Steering System ……………………. Manual (Std) / Power assist
(Opt)
Front Tire Size ……………………. 6.00-16
Rear Tire Size ……………………. 12.00-28
Front Tread, in (mm) ……………………. 52-80 (1320-2030)
Rear Tread, in (mm) ……………………. 52-76 (1320-1930)
Ford 851 Hydraulics and Hitch
Hydraulic System Type ……………………. Open center
Implement Pump Flow, gpm (Lpm) ……………………. 4.0 (15.0)
Hydraulic Pressure, Bar (psi) ……………………. 138 (2000)
Hydraulic System Capacity, gal (L) ……………………. 2.0 (7.6)
3-Point Hitch Category ……………………. 1
Standard Lift Capacity at lift pin, lb (kg) …………………….
1250 (570)
Ford 851 Dimensions and Weight
Wheelbase, in (mm) ……………………. 74.5 (1890)
Length, in (mm) ……………………. 121.4 (3080)
Height, in (mm) ……………………. 58.7 (1490)
Overall Width, in (mm) ……………………. 64.8 (1640)
Ground Clearance, in (mm) ……………………. 21 (530)
Weight (Shipping), lb (kg) ……………………. 2960 (1340)
Weight (Operating), lb (kg) ……………………. 3490 (1580)
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