John Deere 770 Specs ( 1989-1998 )
Production
| Description | Compact Utility tractor / Built in Japan / Original price was $13,000 in 1998 |
|---|---|
| Distributor | John Deere |
| Manufacturer | Yanmar |
Engine
| Engine type | Yanmar 1.4L 3-cyl diesel |
|---|---|
| Air cleaner | dry element |
| Bore/Stroke | 3.22x3.39 inches (82 x 86 mm) |
| Compression | 18.1:1 |
| Coolant capacity | 5.1 qts (4.8 L) |
| Description | Yanmar 3TN82-RJX / diesel / 3-cylinder / liquid-cooled |
| Displacement | 83.1 ci (1.4 L) |
| Fuel system | direct injection |
| Idle RPM | 800-2800 |
| Oil capacity | 4.2 qts (4.0 L) |
| Power (net) | 23 hp (17.2 kW) |
| Pre-heating | air intake heater |
| Rated RPM | 2600 |
| Starter volts | 12 |
| Engine (net) | 23 hp (17.2 kW) |
| PTO (claimed) | 20 hp (14.9 kW) |
Transmission
| Clutch | 215mm dry disc |
|---|---|
| Description | Four gears, plus reverse, in two ranges. |
| Gears | 8 forward and 2 reverse |
| Oil capacity | 16 qts (15.1 L) |
| Transmission type | 8-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Description | Dry shoe brakes / Two-post ROPS. |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
| Final drives | spur gear |
| Steering | manual / power OptOptional |
Capacity
| Front axle | 3.2 qts (3.0 L) |
|---|---|
| Fuel | 6.3 gal (23.8 L) |
| Hydraulic system | 4 gal (15.1 L) |
Hydraulics
| Capacity | 4 gal (15.1 L) |
|---|---|
| Mid valves | 2 OptOptional |
| Pressure | 2050 psi (141.3 bar) |
| Pump flow | 5.6 gpm (21.2 lpm) |
| Rear valves | 2 OptOptional |
| Steering flow | 4.3 gpm (16.3 lpm) |
| Total flow | 5.6 gpm (manual steering) (21.2 lpm) |
| Type | open center |
Hitch
| Control | position control |
|---|---|
| Rear lift (at 24"/610mm) | 815 lbs (369 kg) |
| Rear Type | I |
PTO
| Engine RPM | 540@2600 / 2100@2600 |
|---|---|
| Mid PTO | live OptOptional |
| Mid PTO Type | 2100 |
| Rear PTO | transmission |
| Rear PTO Type | 540 |
Electrical
| Battery CCA | 447 |
|---|---|
| Battery volts | 12 |
| Charging amps | 20 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Clearance (drawbar) | 13.8 inches (35 cm) |
|---|---|
| 2WD Front tread | 38.1 inches (96 cm) |
| 2WD Weight | 1930 lbs (875 kg) |
| 2WD Width | 49.3 inches*Minimum width. (125 cm) |
| 4WD Clearance (drawbar) | 12 inches (30 cm) |
| 4WD Front tread | 37.2 inches (94 cm) |
| 4WD Weight | 2105 lbs (954 kg) |
| 4WD Width | 52.5 inches*Minimum width. (133 cm) |
| Length | 111 inches (281 cm) |
| Rear tread | 40 inches (101 cm) |
| Wheelbase | 61 inches (154 cm) |
| 2WD Rear tire | 9.5-24 |
| Front tire | 4.00-15 |
| Weight | 1930 to 2105 pounds |
| Wheelbase | 61 inches (154 cm) |
| 2WD Optional tires (ag) | Front: 5.00-12. Rear: 12.4-16 / Front: 6.50-10. Rear: 12.4-16 |
| 2WD Standard tires (ag) | Front: 4.00-15. Rear: 9.5-24 |
| 4WD Standard tires (ag) | Front: 6.00-12. Rear: 12.4-16 |
| Lawn/turf front | 25x8.50-14 |
| Lawn/turf rear | 13.6-16 |
770 Serial Number Location
| Description | Serial number plate above the PTO shaft on the John Deere 770. |
|---|
770 Serial Numbers
| 1989 | 1001 |
|---|---|
| 1990 | 4111 |
| 1991 | 100001 |
| 1992 | 115001 |
| 1993 | 120001 |
| 1994 | 130001 |
| 1995 | 140001 |
| 1996 | 150001 |
| 1997 | 160001 |
| 1998 | 170001 |
| Description | FAQ: How to read a serial number table. |
John Deere 770 Height
| 2WD Exhaust | 74.1 inches (188 cm) |
|---|---|
| 2WD Hood | 58.5 inches (148 cm) |
| 2WD ROPS | 80.8 inches (205 cm) |
| 4WD Exhaust | 75.6 inches (192 cm) |
| 4WD Hood | 48.6 inches (123 cm) |
| 4WD ROPS | 79 inches (200 cm) |
John Deere 770 attachments
| Description | 60" mid-mount mower deck / blade / front-end loader / backhoe |
|---|
References
| Description | Grounds Care & Recreation Products Sales Manual published in 1989, by John Deere / Lawn & Grounds Care Sales Manual published in 1997, by John Deere* / Commercial & Consumer Equipment Sales Manual published in 1999, by John Deere / Golf and Turf Equipment Purchasing Guide published in 1998, by John Deere / Operator's Manual 650 and 750 Tractors (OM-RW15455) published in 1984 / Operator's Manual 670 and 770 Tractors (OM-M79606) published in 1988 / Compact Tractors Under 40 Horsepower published in 1991, by John Deere / Compact Utility Tractors published in 1993, by John Deere / John Deere Compact Utility Tractors published in 1995 / Compact Utility Tractors Product Information Handbook published in 1991, by John Deere / *Publication contains known errors. |
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Speeds
| Description | With 12.4-16 R1 rear tires. |
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