John Deere industrial tractors
John Deere 844
The John Deere 844 is a wheel loader produced from 1978 to 1986. It features a John Deere 15.7L 8-cylinder turbocharged diesel engine delivering 260 hp net and 290 hp gross. The transmission is a 4-speed power shift with 4 forward and 3 reverse gears. It has a hydraulic system with 2500 psi pressure and a total flow of 153.2 gpm. The loader has a wheelbase of 126 inches, an operating weight of 52370 lbs, and industrial tires sized 26.5-25 or 29.5-25. The cab is standard with heat and optional air-conditioning. Electrical system includes a 70 amp alternator and two 12-volt batteries. Attachments include a front-end loader with a lift capacity of 26620 lbs and breakout force of 36290 lbs.
Power-
Founded-
Model844
Technical Specifications
Detailed specifications and technical data for John Deere 844
Power
| Engine (net) | 260 hp (193.9 kW) |
|---|---|
| Engine (gross) | 290 hp (216.3 kW) |
Tires
| Industrial rear | 26.5-25, 29.5-25 |
|---|---|
| Industrial front | 26.5-25, 29.5-25 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | John Deere 8-955T |
| Torque | 858 lb-ft (1163.4 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 8-cylinder |
| Fuel tank | 100 gal (378.5 L) |
| Rated RPM | 2100 |
| Torque RPM | 1300 |
| Air cleaner | dry |
| Bore/Stroke | 5.51x5.00 inches (140 x 127 mm) |
| Power (net) | 260 hp (193.9 kW) |
| Displacement | 955 ci (15.7 L) |
| Oil capacity | 41 qts (38.8 L) |
| Power (gross) | 290 hp (216.3 kW) |
| Starter volts | 24 |
| Coolant capacity | 80 qts (75.7 L) |
Dimensions
| Length | 315.4 inches (801 cm) |
|---|---|
| Wheelbase | 126 inches (320 cm) |
| Rear tread | 90 inches (228 cm) |
| Front tread | 90 inches (228 cm) |
| Height (cab) | 140.4 inches (356 cm) |
| Height (exhaust) | 125.7 inches (319 cm) |
| Operating weight | 52370 lbs (23755 kg) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 625 |
| Battery volts | 12 |
| Charging amps | 70 |
| Charging system | alternator |
Hydraulics
| Pressure | 2500 psi (172.4 bar) |
|---|---|
| Pump flow | 74.6 gpm (loader) (282.4 lpm) |
| Total flow | 153.2 gpm (579.9 lpm) |
Mechanical
| Cab | standard with heat. Air-conditioning optional. |
|---|
Production
| Type | Wheel Loader |
|---|---|
| Manufacturer | John Deere |
| Years produced | 1978 - 1986 |
Attachments
| Loader | 26620 lbs lift (full at pin) (12074 kg), 36290 lbs breakout (16461 kg), 50° dump, 43.7 inches reach (dumped) (110 cm), 40° rollback (ground line), 166.7 inches height (at pin) (423 cm), 123.6 inches clearance (dumped) (313 cm), boom cyl: 7.50 inches (19 cm), boom rod: 3.75 inches (9 cm), bucket cyl: 7.50 inches (19 cm), bucket rod: 3.75 inches (9 cm), raise: 7.0s, dump: 2.0s, lower: 4.0s, Bucket width: 129.1 inches (327 cm) |
|---|
Transmission
| Type | power shift |
|---|---|
| Gears | 4 forward and 3 reverse |
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