John Deere
770
Farm tractor · 1989–1998 · 23 hp
John Deere770
The John Deere 770 is a farm tractor manufactured from 1989 to 1998. It features a Yanmar 3TN82-RJX engine, and two-post steering. The transmission is a unsynchronized gear type with 8 forward and 2 reverse.
Engine
| Engine | Yanmar 3TN82-RJX |
|---|---|
| Fuel Type | diesel |
| Cylinders | 3 |
| Cooling | liquid-cooled |
| Displacement | 83.1 ci (1.4 L) |
| Bore | 3.22 in (82 mm) |
| Stroke | 3.39 in (86 mm) |
| Compression Ratio | 18.1 |
| Power Net | 23 hp (17.2 kW) |
| Power PTO | 20 hp (14.9 kW) |
| Air Cleaner | dry element |
| Fuel System | direct injection |
| Starter Volts | 12 |
| Oil Capacity | 4.2 qts (4 L) |
| Coolant Capacity | 5.1 qts (4.8 L) |
| Manufacturer | Yanmar |
| Rated | 2,600 RPM |
| Idle | 800-2800 RPM |
Transmission
| Transmission Type | unsynchronized gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | 215mm dry disc |
| Oil Capacity | 16 qts (15.1 L) |
| Available Options | 8-speed unsynchronized gear |
Hydraulics
| Type | open center |
|---|---|
| Pump Flow | 5.6 gpm (21.2 lpm) |
| Pressure | 2,050 psi (141.3 bar) |
| Steering Flow | 4.3 gpm (16.3 lpm) |
| System Capacity | 4 gal (15.1 L) |
Hitch
| Rear Type | I |
|---|---|
| Rear Lift | 815 lbs (369 kg) |
| Hitch Control | position control |
Dimensions
| Length | 111 in (281 cm) |
|---|---|
| Width | 52.5 in (133 cm) |
| Height Rops | 79 in (200 cm) |
| Wheelbase | 61 in (154 cm) |
| Front Tread | 37.2 in (94 cm) |
| Rear Tread | 40 in (101 cm) |
Weight
| Weight | 2,105 lbs (954 kg) |
|---|
Tires & Tracks
| Front Ag | 6.00-12 |
|---|---|
| Rear Ag | 12.4-16 |
Fuel
| Capacity | 6.3 gal (23.8 L) |
|---|
Steering
| Type | two-post |
|---|
Attachments
60" mid-mount mower deckBladeFront-end loaderBackhoe
| Mower Deck | 60 in (152 cm) |
|---|---|
| Backhoe Model | John Deere 7 Backhoe |
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Bush Hog BH114 | Rotary Cutters | 44" | 15 hp |
| Land Pride RCR1242 | Rotary Cutters | 42" | 18 hp |
| Land Pride RCR1260 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCR1860 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCF2060 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCR1872 | Rotary Cutters | 72" | 20 hp |
| Land Pride RCF2072 | Rotary Cutters | 72" | 20 hp |
| Land Pride RCR1248 | Rotary Cutters | 48" | 20 hp |
| Land Pride RCR1548 | Rotary Cutters | 48" | 20 hp |
| BEFCO BRC-242 | Rotary Cutters | 42" | 20 hp |
| BEFCO BRC-142 | Rotary Cutters | 42" | 20 hp |
| Bush Hog BH115 | Rotary Cutters | 56" | 20 hp |
Confirmed compatible on PTO HP and 3-point hitch category. Verify with your dealer before purchasing.