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
| Plows | 3 14-inch |
|---|---|
| Engine | 56.3 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
| Options | Ford 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
| Fuel | 17 gal (64.3 L) |
|---|---|
| Hydraulic system | 2 gal (7.6 L) |
Variants
| 811 | Select-O-Speed, no PTO |
|---|---|
| 821 | Four-speed, no PTO or 3-point |
| 841 | Four-speed |
| 851 | Five-speed |
| 861 | Five speed, live PTO |
| 871 | Select-O-Speed |
| 881 | Select-O-Speed, dual-speed PTO |
| 941 | row-crop chassis |
Electrical
| Ground | positive (6V), negative (12V) |
|---|---|
| Battery AH | 80 (6V), 135 (12V) |
| Battery volts | 6 (gas/lp), 12 (diesel) |
| Charging amps | 20 |
| Charging system | generator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 2 gal (7.6 L) |
| Pressure | 2000 psi (137.9 bar) |
| Total flow | 4 gpm (15.1 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Differential mechanical expanding shoe brakes |
| Steering | manual, power assist optional |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Series | 801 Powermaster Series |
| Built in | Highland Park, Michigan, USA |
| Original price | $3,080 in 1957 |
| Years produced | 1957 - 1961 |
Attachments
| front-end loader | 711 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
| Type | unsynchronized gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Oil type | SAE 80 |
| Manufacturer | Ford |
| Oil capacity | 6 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 Type | I |
|---|---|
| Rear lift | 1250 lbs (567 kg) |
Serial Numbers
| 1957 | 1001 |
|---|---|
| 1958 | 11977 |
| 1959 | 58312 |
| 1960 | 105943 |
| 1961 | 131427 |
| 1962 | 155531 |
Dimensions & Tires
| Weight | 2958 to 3487 pounds |
|---|---|
| Rear tire | 12-28 |
| Wheelbase | 74.5 inches (189 cm) |
| Front tire | 6.00-16 |
Power Take-off (PTO)
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 540 |
