John Deere 770 tractor specifications

1989 - 1998

1989 - 1998 70 Compact SeriesCompact Utility tractorYanmar built

Production

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

John Deere 770 Power

John Deere 770 Power Engine (net):23 hp
17.2 kW
PTO (claimed):20 hp
14.9 kW

John Deere 770 Engine

John Deere 770 Engine Yanmar 1.4L 3-cyl diesel Engine details ...

1989 - 1998

70 Compact Series

Compact Utility tractor

Yanmar built

Engine Detail

Engine Detail
Yanmar 3TN82-RJX
diesel
3-cylinder
liquid-cooled
Displacement:	83.1 ci 1.4 L
Bore/Stroke:	3.22x3.39 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

Mechanical

Mechanical Chassis:4x2 2WD
4x4 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
Transmission details ...

1989 - 1998

70 Compact Series

Compact Utility tractor

Yanmar built

Transmission

Transmission
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.

Speeds

Speeds
With 12.4-16 R1 rear tires.

Capacity

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

Hydraulics

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

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

Power Take-off (PTO)

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

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

1989 - 1998

70 Compact Series

Compact Utility tractor

Yanmar built

John Deere 770 Tires

John Deere 770 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: 5.00-12. Rear: 12.4-16
2WD Optional tires (ag):	Front: 6.50-10. Rear: 12.4-16
Lawn/turf front:	25x8.50-14
Lawn/turf rear:	13.6-16

Dimensions

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

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 attachments

John Deere 770 attachments 60" mid-mount mower deck blade front-end loader backhoe Attachment details ...

1989 - 1998

70 Compact Series

Compact Utility tractor

Yanmar built

Attachment overview

Attachment overview
60" mid-mount mower deck
Blade
Front-end loader
Backhoe

60" Mower deck

60" Mower deck
Type:	mid-mount John Deere 160
	3-blade
Cutting width:	60 inches 152 cm
Weight:	345 lbs 156 kg
Overall width:	72.5 inches 184 cm
Cut height:	1.0 to 8.75 inch 2 to 22 cm

Blade

Blade
Type:	front-mount John Deere 380A
Width:	54 inches 137 cm
Height:	18 inches 45 cm
Lift height:	12.25 inches 31 cm
Cut depth:	5.25 inches 13 cm
Weight:	460 lbs 208 kg
Lift type:	hydraulic
Angle type:	hydraulic

John Deere 70 Loader

John Deere 70 Loader
Height (to pin):	77 inches 195 cm
Clearance, dumped bucket:	62.5 inches 158 cm
Dump reach:	31 inches 78 cm
Dump angle:	45°
Clearance, level bucket:	74 inches 187 cm
Reach at ground:	46 inches 116 cm
Rollback angle:	22°
Breakout force (lift):	1300 lbs 589 kg
Breakout force (bucket):	1570 lbs 712 kg
Lift to full height (at pin):	700 lbs 317 kg
Bucket width:	48 inches 121 cm
	54 inches 137 cm
	60 inches 152 cm

John Deere 7 Backhoe

John Deere 7 Backhoe
Backhoe type:	John Deere 7 Backhoe
Weight:	787 lbs 356 kg
Transport height:	69 inches 175 cm
Bucket width:	9 inches 22 cm
	13 inches 33 cm
	16 inches 40 cm
	19 inches 48 cm
2-Foot flat digging depth:	90 inches 228 cm
Reach from pivot:	114 inches 289 cm
Loading height:	70 inches 177 cm
Bucket Rotation:	180
Swing Arc:	180
Bucket force:	1095 lbs 496 kg
Dipperstick force:	1945 lbs 882 kg

770 Serial Numbers

770 Serial Numbers Location:Serial number plate above the PTO shaft on the John Deere 770.
photo of 770 serial number
1989:1001
1990:4111
1991:100001
1992:115001
1993:120001
1994:130001
1995:140001
1996:150001
1997:160001
1998:170001

how to read serial numbers...