Ford

Ford 841 Powermaster

The Ford 841 Powermaster is a utility tractor produced from 1957 to 1961 as part of the 801 Powermaster Series. It was built in Highland Park, Michigan, USA, and originally priced at $3,080 in 1957. The tractor features a 2.8L 4-cylinder engine available in gasoline, LP gas, and diesel variants, with power outputs ranging from 56.3 hp to 62.6 hp gross. It offers a 4-speed unsynchronized gear transmission with an optional 12-speed Sherman Step-Up Step-down auxiliary gearbox. The tractor is two-wheel drive with manual steering and optional power assist, equipped with mechanical expanding shoe brakes and an open operator station. It has a fuel capacity of 17 gallons and a hydraulic system capacity of 2 gallons with 2000 psi pressure. The rear hitch is type I with a lift capacity of 1250 lbs, and the rear PTO operates at 540 rpm. The tractor weighs between 2958 and 3487 pounds and rides on 6.00-16 front tires and 12-28 rear tires. Electrical system includes a generator charging system with 6V or 12V battery options depending on engine type. Attachments include a front-end loader with detailed specifications. The serial number is located on the left side of the tractor on top of the transmission case behind the starter.
Power62 hp
Founded1957 - 1961
Model841

Technical Specifications

Detailed specifications and technical data for Ford 841 Powermaster

Power
Plows3 14-inch
Engine56.3 hp (42.0 kW)
Belt (tested)44.71 hp (33.3 kW)
Belt (claimed)50 hp (37.3 kW)
Engine (gross)62.6 hp (46.7 kW)
Drawbar (tested)41.44 hp (30.9 kW)
Drawbar (claimed)44 hp (32.8 kW)
Engine
OptionsFord 2.8L 4-cyl gasoline, Ford 2.8L 4-cyl LP gas, Ford 2.8L 4-cyl diesel
Engine Oil
Oil capacity5 qts (4.7 L)
Oil change interval100 h
Ford Diesel
Type4-cylinder 8-valve, liquid-cooled
Power56.3 hp (42.0 kW)
Torque140.4 lb-ft (190.4 Nm)
Rated RPM2200
Torque RPM1400
Air cleaneroil bath
Bore/Stroke3.90x3.60 inches (99 x 91 mm)
Compression16.8:1
Displacement172 ci (2.8 L)
Firing order1-2-4-3
Starter volts12
Ford EAF LP gas
Type4-cylinder 8-valve, liquid-cooled
Point gap0.025 inches (0.635 mm)
Rated RPM2200
Air cleaneroil bath
Bore/Stroke3.90x3.60 inches (99 x 91 mm)
Compression8.65:1
Displacement172 ci (2.8 L)
Firing order1-2-4-3
Sparkplug gap0.027 inches (0.686 mm)
Starter volts6
Intake valve clearance0.015 inches (hot) (0.381 mm)
Exhaust valve clearance0.015 inches (hot) (0.381 mm)
Ford EAF Gasoline
Type4-cylinder 8-valve, liquid-cooled vertical overhead valve
Torque166 lb-ft (225.1 Nm)
Point gap0.025 inches (0.635 mm)
Rated RPM2000
Torque RPM1600
Air cleaneroil bath
Bore/Stroke3.90x3.60 inches (99 x 91 mm)
Compression7.5:1
Displacement172 ci (2.8 L)
Firing order1-2-4-3
Power (gross)62.6 hp (46.7 kW)
Sparkplug gap0.027 inches (0.686 mm)
Starter volts6
Coolant capacity15 qts (14.2 L)
Intake valve clearance0.015 inches (hot) (0.381 mm)
Exhaust valve clearance0.015 inches (hot) (0.381 mm)
Capacity
Fuel17 gal (64.3 L)
Hydraulic system2 gal (7.6 L)
Variants
811Select-O-Speed, no PTO
821Four-speed, no PTO or 3-point
841Four-speed
851Five-speed
861Five speed, live PTO
871Select-O-Speed
881Select-O-Speed, dual-speed PTO
941row-crop chassis
Electrical
Groundpositive (6V), negative (12V)
Battery AH80 (6V), 135 (12V)
Battery volts6 (gas/lp), 12 (diesel)
Charging amps20
Charging systemgenerator
Hydraulics
Typeopen center
Capacity2 gal (7.6 L)
Pressure2000 psi (137.9 bar)
Total flow4 gpm (15.1 lpm)
Mechanical
DriveTwo-wheel drive
BrakesDifferential mechanical expanding shoe brakes
Steeringmanual, power assist optional
Operator stationOpen operator station
Production
TypeUtility tractor
Series801 Powermaster Series
Built inHighland Park, Michigan, USA
Original price$3,080 in 1957
Years produced1957 - 1961
Attachments
front-end loader711 Loader with 1000 lbs lift (full at pin) (453 kg), 2500 lbs breakout (at pin) (1134 kg), 36.1 inches reach (dumped) (91 cm), 126 inches height (at pin) (320 cm), 80 inches clearance (dumped) (203 cm), 96 inches clearance (level) (243 cm), boom rod: 2.5 inches (6 cm), weight: 593 lbs (268 kg)
Transmission
Typeunsynchronized gear
Gears4 forward and 1 reverse
Oil typeSAE 80
ManufacturerFord
Oil capacity6 qts (5.7 L)
Additional transmission
NoteAuxiliary gearbox provides over, under, and direct-drive to the basic four-speed transmission. Tractors equipped with the transmission were marked 841S.
TypeSherman Step-Up Step-down
Gears12 forward and 3 reverse
Oil typeSAE 80
Oil capacity6 qts (5.7 L)
Tractor hitch
Rear TypeI
Rear lift1250 lbs (567 kg)
Serial Numbers
19571001
195811977
195958312
1960105943
1961131427
1962155531
Dimensions & Tires
Weight2958 to 3487 pounds
Rear tire12-28
Wheelbase74.5 inches (189 cm)
Front tire6.00-16
Power Take-off (PTO)
Rear PTOtransmission
Rear PTO Type540