John Deere 770

John Deere 770 Compact Utility tractor Technical Specifications

John Deere 770 is a Row-Crop tractor that was produced by the John Deere between 1989 – 1998.

Below you will find detailed technical specifications for John Deere 770 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 770 Production

















Manufacturer:
Distributor: John Deere
Manufacturer: Yanmar
Type: Compact Utility tractor
Factory: Japan
Original price: $13,000 (1998 )


John Deere 770 Power






Engine:
Engine (net): 23 hp
17.2 kW
PTO (claimed): 20 hp
14.9 kW







John Deere 770 Engine
Yanmar 1.4L 3-cyl diesel
































Mechanical
Chassis: 4×2 2WD
  4×4 MFWD 4WD
Final drives: spur gear
Differential lock: mechanical rear
Steering: manual
Steering: power*Optional
Brakes: dry shoe
Cab: Two-post ROPS.
Transmission: 8-speed unsynchronized gear




John Deere 770 photos…













Capacity
Fuel: 6.3 gal
23.8 L
Hydraulic system: 4 gal
15.1 L
Front axle: 3.2 qts
3.0 L































Hydraulics
Type: open center
Capacity: 4 gal
15.1 L
Pressure: 2050 psi
141.3 bar
Rear valves: 2*Optional
Mid valves: 2*Optional
Pump flow: 5.6 gpm
21.2 lpm
Total flow: 5.6 gpm
21.2 lpm (manual steering)
  9.9 gpm
37.5 lpm (power steering)
Steering flow: 4.3 gpm
16.3 lpm













Tractor hitch
Rear Type: I
Control: position control
Rear lift (at 24″/610mm): 815 lbs
369 kg

























Power Take-off (PTO)
Rear PTO: transmission
  live*Optional
Rear RPM: 540
Engine RPM: 540@2600
Mid PTO: live*Optional
Mid RPM: 2100
Engine RPM: 2100@2600

















Dimensions & Tires
Wheelbase: 61 inches
154 cm
Weight: 1930 to 2105 pounds
Front tire: 4.00-15
2WD Rear tire: 9.5-24








770 Serial Numbers
Location: Serial number plate above the PTO shaft on the John Deere 770.

John Deere 770 Electrical
















Ground: negative
Charging system: alternator
Charging amps: 20
Battery CCA: 447
Battery volts: 12

John Deere 770 Mechanical


































Chassis: 4×2 2WD
  4×4 MFWD 4WD
Final drives: spur gear
Differential lock: mechanical rear
Steering: manual
Steering: power*Optional
Brakes: dry shoe
Cab: Two-post ROPS.
Transmission: 8-speed unsynchronized gear

Capacity










Fuel: 6.3 gal
23.8 L
Hydraulic system: 4 gal
15.1 L
Front axle: 3.2 qts
3.0 L

Hydraulics




























Type: open center
Capacity: 4 gal
15.1 L
Pressure: 2050 psi
141.3 bar
Rear valves: 2*Optional
Mid valves: 2*Optional
Pump flow: 5.6 gpm
21.2 lpm
Total flow: 5.6 gpm
21.2 lpm (manual steering)
  9.9 gpm
37.5 lpm (power steering)
Steering flow: 4.3 gpm
16.3 lpm

Tracktor Hitch










Rear Type: I
Control: position control
Rear lift (at 24″/610mm): 815 lbs
369 kg

Power Take-off (PTO)






















Rear PTO: transmission
  live*Optional
Rear RPM: 540
Engine RPM: 540@2600
Mid PTO: live*Optional
Mid RPM: 2100
Engine RPM: 2100@2600

John Deere 770 Engine detail











































Engine Detail
Yanmar 3TN82-RJX
diesel
3-cylinder
liquid-cooled
Displacement: 83.1 ci
1.4 L
Bore/Stroke: 3.22×3.39 inches
82 x 86 mm
Fuel system: direct injection
Air cleaner: dry element
Pre-heating: air intake heater
Compression: 18.1:1
Rated RPM: 2600
Idle RPM: 800-2800
Starter volts: 12
Oil capacity: 4.2 qts
4.0 L
Coolant capacity: 5.1 qts
4.8 L



John Deere 770 Transmission overview

Engine Oil














Type unsynchronized gear
Gears 8 forward and 2 reverse
Clutch 215mm dry disc
Oil capacity 16 qts
15.1 L
Four gears, plus reverse, in two ranges.

John Deere 770 Dimensions


































Wheelbase: 61 inches
154 cm
Length: 111 inches
281 cm
2WD Width: 49.3 inches
125 cm *Minimum width.
4WD Width: 52.5 inches
133 cm *Minimum width.
2WD Weight: 1930 lbs
875 kg
4WD Weight: 2105 lbs
954 kg
2WD Clearance (drawbar): 13.8 inches
35 cm
4WD Clearance (drawbar): 12 inches
30 cm
2WD Front tread: 38.1 inches
96 cm
4WD Front tread: 37.2 inches
94 cm
Rear tread: 40 inches
101 cm






















John Deere 770 Height
2WD Hood: 58.5 inches
148 cm
4WD Hood: 48.6 inches
123 cm
2WD ROPS: 80.8 inches
205 cm
4WD ROPS: 79 inches
200 cm
2WD Exhaust: 74.1 inches
188 cm
4WD Exhaust: 75.6 inches
192 cm

John Deere 770 Tests

OCED Tractor Test 1666









































OCED Tractor Test 1666
Diesel PowrQuad 4WD
May 26 – June 21, 1993
Link: OCED Tractor Test 1666 file
PTO performance
Max power: 126.09 hp
94.0 kW
Fuel use: 7.5 gal/hour
28.4 l/hour
Power at rated engine speed: 126.08 hp
94.0 kW
Fuel use: 7.9 gal/hour
29.9 l/hour
Drawbar performance
Max power: 116.61 hp
87.0 kW
Fuel use: 8.0 gal/hour
30.3 l/hour
Max pull: 17,406 lbs
7895 kg










OCED Tractor Test 1667









































OCED Tractor Test 1667
Diesel Powershift 4WD
April 22 – May 21, 1993
Link: OCED Tractor Test 1667 file
PTO performance
Max power: 130.80 hp
97.5 kW
Fuel use: 7.5 gal/hour
28.4 l/hour
Power at rated engine speed: 126.08 hp
94.0 kW
Fuel use: 7.7 gal/hour
29.1 l/hour
Drawbar performance
Max power: 111.56 hp
83.2 kW
Fuel use: 7.8 gal/hour
29.5 l/hour
Gear 11 used for power test.
Max pull: 14,908 lbs
6762 kg
Gear 5 used for pull test.

FAQ

Is John Deere 770 a good tractor?

The John Deere 770 is one of the great tractors in the Yanmar stable, and it has earned Yanmar a fantastic reputation.

How much oil does a John Deere 770 take?

Check out the John Deere 770 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Yanmar made the 670

The John Deere 770 was an agricultural tractor model made from 1989 – 1998

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