The John Deere 770 tractor is powered by a Yanmar 1.4L 3-cyl diesel engine. It has a 8-speed unsynchronized gear transmission.
The engine is a Yanmar 3TN82-RJX diesel 3-cylinder liquid-cooled with a displacement of 83.1ci / 1.4L and a bore/stroke of 3.22x3.39inches / 82x 86mm. It uses direct injection fuel system and a dry element air cleaner. The engine has an air intake heater for pre-heating and a compression ratio of 18.1:1. It has a rated RPM of 2600 and an idle RPM of 800-2800. The starter voltage is 12 and the oil capacity is 4.2qts / 4.0L while the coolant capacity is 5.1qts / 4.8L.
The transmission is an 8-speed unsynchronized gear. Unfortunately, no further details were provided in the .
The brakes are dry shoe brakes. The tractor has two- or four-wheel drive and a two-post ROPS. The final drive is a spur gear and the differential location is mechanical rear. The steering is power and optional.
The steering is a Yanmar 1.4L 3-cylinder diesel. Unfortunately, no further details were provided in the .
Users have reported issues with the tractor's dry shoe brakes, which can wear out quickly and require frequent replacement. Some users have also reported issues with the tractor's power steering, which can fail or become difficult to operate over time. Additionally, some users have reported issues with the tractor's transmission, including difficulty shifting gears and a tendency to slip out of gear.
Users appreciate the John Deere 770's versatility and reliability, as well as its ease of use and maintenance. Many users also appreciate the tractor's compact size, which makes it easy to maneuver in tight spaces. The tractor's standard and optional tire sizes are also popular among users, as they provide good traction and stability on a variety of terrains.
Engine Detail | |
|---|---|
| Description | Yanmar 3TN82-RJX diesel 3-cylinder liquid-cooled |
| Displacemen | 83.1ci / 1.4L |
| Bore/strok | 3.22x3.39inches / 82x 86mm |
| Fuel Syste | direct injection |
| Air Cleane | dry element |
| Pre-heatin | air intake heater |
| Compressio | 18.1:1 |
| Rated Rp | 2600 |
| Idle Rp | 800-2800 |
| Starter Volt | 12 |
| Oil Capacit | 4.2qts / 4.0L |
| Coolant Capacit | 5.1qts / 4.8L |
Engine | |
| Description | Yanmar 1.4L 3-cyl diesel |
Transmission | |
| Description | 8-speed unsynchronized gear |
Mechanical | |
| Description | Two- or four-wheel drive Dry shoe brakes Two-post ROPS |
| Final Drive | spur gear |
| Differential Loc | mechanical rear |
| Steerin | power OptOptional |
Tires | |
| 2wd Standard Tires (ag | Front: 4.00-15. Rear: 9.5-24 |
| 4wd Standard Tires (ag | Front: 6.00-12. Rear: 12.4-16 |
| 2wd Optional Tires (ag | Front: 6.50-10. Rear: 12.4-16 |
| Lawn/turf Fron | 25x8.50-14 |
| Lawn/turf Rea | 13.6-16 |
Dimensions And Tires | |
| Wheelbas | 61inches / 154cm |
| Weigh | 1930 to 2105 pounds |
| Front Tir | 4.00-15 |
| 2wd Rear Tir | 9.5-24 |
Serial Numbers | |
| 198 | 1001 |
| 199 | 170001 |
Capacity | |
| Fue | 6.3gal / 23.8L |
| Hydraulic Syste | 4 gal/15.1 L |
| Front Axl | 3.2qts / 3.0L |
Hydraulics | |
| Typ | open center |
| Capacit | 4 gal/15.1 L |
| Pressur | 2050psi / 141.3bar |
| Rear Valve | 2 OptOptional |
| Mid Valve | 2 OptOptional |
| Pump Flo | 5.6gpm / 21.2lpm |
| Total Flo | 5.6gpm (manual steering) / 21.2lpm 9.9gpm (power steering) / 37.5lpm |
| Steering Flo | 4.3gpm / 16.3lpm |
Tractor Hitch | |
| Rear Typ | I |
| Contro | position control |
| Rear Lift (at 24 | 815lbs / 369kg |
Electrical | |
| Groun | negative |
| Charging Syste | alternator |
| Charging Amp | 20 |
| Battery Cc | 447 |
| Battery Volt | 12 |
Speeds | |
| Description | With 12.4-16 R1 rear tires |
Power Take Off Pto | |
| Rear Pt | transmission live OptOptional |
| Rear Rp | 540 |
| Engine Rp | 2100@2600 |
| Mid Pt | live OptOptional |
| Mid Rp | 2100 |
Serial Location | |
| Description | Serial number plate above the PTO shaft on the John Deere 770 |