Contents
- Dimensions
- Tires
- Engine Details
- Operational Specs
- Transmission
- PTO (Power Take-Off)
- Hydraulic System
- 3-Point Hitch Lift
- Service Refill Capacities
- John Deere 770 Filters
- Serial Numbers & PIN Location
- John Deere 770 Attachments
- Deere 70 Front Loader
- Deere 7 Backhoe
- Deere 160 Mid-Mount Mower, 60″
- Deere 380A Front Blade
Dimensions
| Length w/ 3-Point Hitch | 111.2 in (2824 mm) |
| Length w/o 3-Point Hitch | 87.8 in (2230 mm) |
| Length w/ Front Blade | 122.8 in (3118 mm) |
| Width w/ Turf Tires | 53.8 in (1367 mm) |
| Wheelbase | 61 in (1549 mm) |
| Height (ROPS) | 79.0 in (2006 mm) |
| Height (Hood) | 48.1 in (1228 mm) |
| Height (Exhaust) | 74.1 in (1882 mm) |
| Ground Clearance (Rear Axle) | 12 in (304 mm) |
| Ground Clearance (Front Axle, 2WD) | 13.4 in (340 mm) |
| Ground Clearance (Front Axle, 4WD) | 10.4 in (264 mm) |
| Front Wheel Tread | 38.2 in (970 mm) |
| Rear Wheel Tread | 40 in (1016 mm) |
Tires
| Tire Type | Front Tire Size | Rear Tire Size |
|---|---|---|
| Standard Tires | 6.50-10 | 12.4-16 |
| Ag Tires (2WD) | 4.00-15 | 9.5-24 |
| Ag Tires (4WD) | 6.00-12 | 12.4-16 |
| Optional Tires (2WD) | 5.00-12 | 9.5-16 |
| Optional Tires (2WD) | 6.50-10 | 12.4-16 |
| Lawn / Turf Tires | 25×8.50-14 | 13.6-16 |
Engine Details
| Number Of Cylinders | 3 |
| Engine Make | Yanmar |
| Engine Model | Yanmar 3TN82-RJX |
| Displacement | 83.1 cu in (1.36 L) |
| Bore | 3.22 in (82 mm) |
| Stroke | 3.39 in (86 mm) |
| Horsepower | 24 hp (17.2 kw) |
| PTO Power | 20 hp (14.9 kw) |
| Power Measured @ | 2600 rpm |
| Slow Idle Speed | 900-950 rpm |
| Fast Idle Speed | 3000-3050 rpm |
| Fuel System | Direct Injection |
| Injection Pump Type | In-Line with Electric Shutoff |
| Fuel Consumption @ 75% Load | 1.0 gal/h (3.8 L/h) |
| Cooling System | Water Pump |
| Lubrication | Pressurized |
| Oil Filter | Single Element |
| Air Cleaner | Dry Element |
| Compression Ratio | 18.1:1 |
| Pre-heating | Air intake heater |
| Aspiration | Naturally aspirated |
Operational Specs
| Operating Weight (2WD) | 1978 lb (895 kg) |
| Operating Weight (4WD) | 2150 lb (976 kg) |
| Operating Voltage | 12 V |
| Alternator | 20 amps |
| Battery | 12 V, CCA 420 |
| Ground | Negative |
| ROPS Type | Two-post ROPS |
Transmission
| Type | Sliding Gear |
| Number of Gears | 8 forward and 2 reverse |
| Max Forward Speed | 11.8 mph (19.1 km/h) |
| Max Reverse Speed | 3.4 mph (5.4 km/h) |
| Final Drive Type | Spur Gear |
| Drive | 2WD or 4WD |
| Service Brakes | Independent dry shoe brakes |
| Clutch | Single Stage Dry / Dual Stage Dry (optional) |
| Differential Lock | Mechanical rear |
| Steering | Manual / Hydrostatic power (optional) |
PTO (Power Take-Off)
| PTO Type (Standard) | Transmission Drive |
| PTO Type (Optional) | Continuous Live |
| Rear PTO Speed | 540 rpm |
| Mid PTO Speed | 2076 rpm |
| PTO Power | 20 hp (14.9 kw) |
| PTO Brake | Wet Disk Brake (Mid PTO only) |
Hydraulic System
| Type | Open Center |
| Pump Type | Dual Gear |
| Max Operating Pressure | 2050 psi (14135 kPa) |
| Implement Pump Flow | 5.6 gal/min (21.1 L/min) |
| Steering Pump Flow | 4.3 gal/min (16.3 L/min) |
| Total Pump Flow (Power Steering Models) | 9.9 gal/min (37.5 L/min) |
| Number of Rear Valves | 2 |
| Number of Mid Valves | 2 |
3-Point Hitch Lift
| 3-Point Hitch Category | Category I |
| 3-Point Hitch Lift Capacity @ 24″ | 815 lb (370 kg) |
| Draft Control Sensing | Position control |
Service Refill Capacities
| Fuel Tank Capacity | 6.3 gal (24 L) |
| Engine Oil Capacity (w/ filter) | 1.05 gal (4.0 L) |
| Cooling System Capacity | 1.25 gal (4.8 L) |
| Transmission / Hydraulic Oil Capacity | 4.0 gal (15 L) |
| Front Axle Fluid Capacity (4WD) | 0.56 gal (2.3 L) |
John Deere 770 Filters
| Primary Air Filter Element | M802606 or M802658, AT110770 |
| Secondary Air Filter Element | CH12881 or AT110771 |
| Engine Oil Filter | M806419 or M806418 |
| Hydraulic Oil Filter | RE27284 or AM876344, CH19630 |
| Fuel Filter | AM876411 or M801101 |
| Fuel Filter Element | CH15553, |
| Fuel Filter Head | M802637 |
Serial Numbers & PIN Location
On a John Deere 770 tractor, the serial number plate is located above the PTO shaft
| Year | Serial Number | Year | Serial Number |
|---|---|---|---|
| 1989 | 1001 | 1994 | 130001 |
| 1990 | 4111 | 1995 | 140001 |
| 1991 | 100001 | 1996 | 150001 |
| 1992 | 115001 | 1997 | 160001 |
| 1993 | 120001 | 1998 | 170001 |
John Deere 770 Attachments
The John Deere 770 compact utility tractor was designed as a versatile workhorse for small farms, estates, and landscaping applications, and its value was greatly enhanced by the wide range of attachments available. Equipped with a Category I three-point hitch and rear PTO, the 770 could handle mowing, digging, grading, lifting, and snow removal with ease. Popular implements included the Deere 70 front loader for material handling, the Deere 7 backhoe for digging and trenching, and the 60-inch Deere 160 mid-mount mower deck for finish mowing.
Deere 70 Front Loader
| Model | John Deere 70 |
|---|---|
| Lift Capacity at Full Height | 700 lb (318 kg) |
| Lift Capacity at (1) 18 in (450 mm) | 1190 lb (540 kg) |
| Lift Capacity at (2) 36 in (900 mm) | 1010 lb (460 kg) |
| Lift Capacity at (3) 72 in (1800 mm) | 735 lb (335 kg) |
| Breakout Force, Boom | 1300 lbf (5.79 kN) |
| Breakout Force, Bucket | 1570 lbf (7.00 kN) |
| Maximum Lift Height | 77.3 in (1965 mm) |
| Clearance With Bucket Level | 73.8 in (1875 mm) |
| Clearance With Bucket Dumped | 62 in (1575 mm) |
| Digging Depth | 5 in (125 mm) |
| Reach at Max Height & Dumped | 30 in (762 mm) |
| Reach at Ground Level & Level | 48 in (1219 mm) |
| Max Dump Angle | 45° |
| Rollback Angle on Ground | 22° |
| Overall Length | 125.5 in (3187 mm) |
| Loader Raising Time | 2.7 sec |
| Loader Lowering Time | 2.6 sec |
| Bucket Dumping Time | 2.0 sec |
| Bucket Rollback Time | 2.0 sec |
| Hydraulic Flow | 5.7 gal/min (21.5 L/min) |
| Bucket Width | 54 in (1372 mm) |
| Based on Tractor Tires Size, Front | 6.00-12 |
| Based on Tractor Tires Size, Rear | 9.5-16 |
Deere 7 Backhoe
The John Deere 7 backhoe attachment is compatible with the 770 model equipped with power steering.
| Model | John Deere 7 |
|---|---|
| Digging Depth (2 ft flat) | 90 in (2280 mm) |
| Reach from Swing Pivot | 114 in (2890 mm) |
| Loading Height | 70 in (1778 mm) |
| Bucket Digging Force (SAE) | 1945 lbf (8.65 kN) |
| Dipperstick Digging Force (SAE) | 1095 lbf (4.87 kN) |
| Bucket Rotation | 180° |
| Swing Arc | 180° |
| Bucket Width (Standard) | 13 in (330 mm) |
| Bucket Width (Optional) | 9 in (229 mm) 16 in (406 mm) 19 in (483 mm) |
| Boom Up Time | 2.0 sec |
| Boom Down | 2.4 sec |
| Dipperstick In | 2.8 sec |
| Dipperstick Out | 2.2 sec |
| Bucket Open | 1.9 sec |
| Bucket Closed | 2.2 sec |
| Swing Left to Right | 2.8 sec |
| Swing Right to Left | 2.8 sec |
| Stabilizer Up | 1.1 sec |
| Stabilizer Down | 1.7 sec |
| Circuit Relief Valve Setting (Boom and Dipperstick) | 2100 ±100 psi (14469 ±689 kPa) |
| Crossover Relief Valve Setting | 1075-1225 psi (7407-8440 kPa) |
| Transport Height | 69 in (1753 mm) |
| Backhoe Attachment Weight | 787 lb (356 kg) |
Deere 160 Mid-Mount Mower, 60″
| Model | John Deere 160 |
|---|---|
| Type | Mid-mount rotary mower with hydraulic lift |
| Number of Blades | 3 |
| Cutting Width | 60 in (1520 mm) |
| Cut Height | 1 to 8.75 in (20 to 220 mm) |
| Overall Width | 72.5 in (1840 mm) |
| Weight | 345 lb (156 kg) |
Deere 380A Front Blade
| Model | John Deere 380A |
|---|---|
| Type | Front-mount, hydraulic lift, hydraulic angle |
| Width (Overall / Cutting) | 54 in (1372 mm) / 46.75 in (1187 mm) 60 in (1525 mm) / 52.0 in (1321 mm) 66 in (1676 mm) / 57.25 in (1454 mm) |
| Height (w/o extension) | 18 in (457 mm) |
| Height (w/ extension) | 22.25 in (565 mm) |
| Height (overall) | 22.75 in (654 mm) |
| Cutting Edge Height | 12.25 in (311 mm) |
| Cutting Depth | 5.25 in (133 mm) |
| Angling | 30° |
| Relief Valve Setting | 2800 psi (1930 kPa) |
| Blade Skid Shoes | Adjustable |
| Blade Trip | Spring Trip with Lock Bolts |
| Blade Float | Built into Tractor Lift System |
For year-round versatility, operators could also fit the Deere 380A front blade in 54-, 60-, or 66-inch widths for snow and dirt work. Combined with a variety of other attachments for tillage, seeding, and landscaping, the 770 offered a flexible solution for operators who needed a compact tractor capable of adapting to changing tasks and conditions.
