The John Deere 770 epitomizes the essence of a compact utility tractor, marrying power, versatility, and durability to meet the demands of agricultural and landscaping tasks. Manufactured by Yanmar and distributed by John Deere, this stalwart of the 70 Compact Series boasts a formidable 23 horsepower engine, complemented by options for two- or four-wheel drive and a differential lock for enhanced traction. With a reliable transmission offering multiple forward and reverse speeds, manual steering for precise control, and a robust frame with a two-post ROPS for operator safety, the John Deere 770 is a trusted ally for a wide range of applications.
| John Deere 770 Specifications |
|---|
| Distributor | John Deere |
| Manufacturer | Yanmar |
| Built in | Japan |
| Original Price (1998) | $13,000 |
| Production | 1989 – 1998 |
| Power |
|---|
| Engine (net) | 23 hp (17.2 kW) |
| PTO (claimed) | 20 hp (14.9 kW) |
| Mechanical |
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| Drive | Two- or four-wheel drive |
| Final drives | Spur gear |
| Differential lock | Mechanical rear |
| Steering | Manual (Power Opt) |
| Brakes | Dry shoe |
| Safety | Two-post ROPS |
| Engine Technical Data |
|---|
| Engine Model | Yanmar 3TN82-RJX |
| Engine Type | Direct injection, 3-cylinder liquid cooled diesel |
| Displacement | 83.1 cu in (1.4 L) |
| Rated Engine Power | 18.0 hp (24.0 kW) @ 2600 rpm |
| Maximum Engine Power | 24.6 hp (33.0 kW) |
| Compression | 18.1:1 |
| Fuel Tank Capacity | 6.3 gal (23.8 L) |
| Oil Capacity | 4.2 qts (4.0 L) |
| Coolant Capacity | 5.1 qts (4.8 L) |
| Electrical System Rating | 12 Volts |
| Alternator Rating | 35/40 Amps |
| Starter Rating | 1.4/2.0 kW |
| Power Take-Off |
|---|
| Rear PTO Operational Type | Transmission / Live (opt) |
| PTO Horsepower | 20.0 hp (14.9 kW) @ 540 rpm |
| Rear PTO Speeds | 540 rpm |
| Mid-PTO | Optional |
| Mid-PTO Speeds | 2100 rpm |
| Transmission |
|---|
| Transmission Type | 8F/2R Unsynchronized sliding gear |
| Number of Forward Speeds | 8 |
| Number of Reverse Speeds | 2 |
| Clutch | Dry type |
| Maximum Speed (Forward) | 10.8 mph (17.4 kph) |
| Transmission Oil Capacity | 16.0 qts (15.1 L) |
| Brakes | Dry shoe |
| Wheels and Tires |
|---|
| Drive Wheels | 2WD/4WD |
| Steering Configuration | Front steer |
| Steering System | Manual Steering |
| Front Tire Size (2WD) | 6.50-10 |
| Rear Tire Size (2WD) | 9.5-24 |
| Front Tire Size (4WD) | 6.00-12 |
| Rear Tire Size (4WD) | 12.4-16 |
| Hydraulic System and Hitch |
|---|
| Hydraulic System Type | Open center |
| Total Pump Flow | 5.6 gpm (21.2 Lpm) |
| Hydraulic Pressure | 141 Bar (2050 psi) |
| Hydraulic System Capacity | 4.0 gal (15.1 L) |
| 3-Point Hitch Category | 1 |
| Standard Lift Capacity at lift pin | 815 lb (370 kg) |
| Dimensions and Weight |
|---|
| Wheelbase | 61 in (1540 mm) |
| Length | 87.8 in (2230 mm) |
| Height (Hood) | 48.1 in (1220 mm) |
| Height (ROPS) | 79 in (2000 mm) |
| Overall Width | 53.8 in (1360 mm) |
| Ground Clearance | 12 in (300 mm) |
| Front Tread | 37.5 in (950 mm) |
| Rear Tread | 40 in (1010 mm) |
| Weight (2WD) | 1930 lb (875 kg) |
| Weight (4WD) | 2105 lb (955 kg) |
| 60-inch Mower Deck |
|---|
| Type | Mid-mount |
| Number of Blades | 3 |
| Cutting Width | 60 inches (1520 mm) |
| Belt | Shaft-drive |
| Overall Width | 72.5 inches (1840 mm) |
| Cutting Height | 1.0-8.75 inches (20-220 mm) |
| Lifting | Hydraulic |
| Front End Loader (John Deere 70) |
|---|
| Loader Model | John Deere 70 |
| Height (to pin) | 77.3 inches (1960 mm) |
| Clearance, Dumped Bucket | 62 inches (1570 mm) |
| Dump Reach | 27 inches (680 mm) |
| Dump Angle | 45 degrees |
| Clearance, Level Bucket | 73.8 inches (1870 mm) |
| Reach at Ground | 49.8 inches (1260 mm) |
| Rollback Angle | 22 degrees |
| Breakout Force (Lift) | 1300 lb (589 kg) |
| Breakout Force (Bucket) | 1570 lb (712 kg) |
| Lift to Full Height (at pin) | 700 lb (317 kg) |
| Bucket Width | Available in 48 inches (1210 mm), 54 inches (1370 mm), and 60 inches (1520 mm) |
| Backhoe (John Deere 7) |
|---|
| Backhoe Model | John Deere 7 |
| 2-Foot Flat Digging Depth | 90 inches (2280 mm) |
| Reach from Pivot | 114 inches (2890 mm) |
| Loading Height | 70 inches (1770 mm) |
| Bucket Force | 1945 lb (882 kg) |
| Dipperstick Force | 1095 lb (496 kg) |
| Weight | 787 lb (356 kg) |
John Deere 770 Overview
The John Deere 770 stands as a testament to the enduring legacy of compact utility tractors. Manufactured by Yanmar in Japan and distributed by John Deere, this workhorse of the 70 Compact Series seamlessly blends power, versatility, and reliability. Boasting a robust 23 horsepower engine, it delivers ample power for various tasks, with a claimed PTO output of 20 horsepower. Its mechanical prowess includes options for two- or four-wheel drive, a differential lock for added traction, and dry shoe brakes for dependable stopping power. The inclusion of a two-post ROPS enhances operator safety, ensuring peace of mind during operation.
At the heart of the John Deere 770 lies its Yanmar 3TN82-RJX engine, a direct injection, 3-cylinder liquid-cooled diesel marvel known for its efficiency and durability. With a displacement of 83.1 cubic inches and a compression ratio of 18.1:1, this engine delivers reliable performance under varying conditions. Its electrical system, rated at 12 volts with an alternator rating of 35/40 amps and a starter rating of 1.4/2.0 kW, ensures consistent power delivery for smooth operation.
The transmission of the John Deere 770 offers versatility with an 8F/2R unsynchronized sliding gear configuration, providing eight forward and two reverse speeds. A dry-type clutch enhances durability, while a maximum forward speed of 10.8 mph ensures efficient operation across diverse terrains. The inclusion of dry shoe brakes further enhances control and safety during operation.
Designed for ease of maneuverability, the John Deere 770 features front steer with manual steering, offering operators precise control over their movements. The inclusion of two-wheel drive and four-wheel drive options caters to different terrain requirements, ensuring optimal traction and performance in any situation. With front and rear tire options available for both drive configurations, operators can customize their tractor to suit their specific needs.
In addition to its formidable performance specifications, the John Deere 770 offers versatility through its attachment options. From a 60-inch mid-mount mower deck for efficient lawn care to a front-end loader with impressive lift and breakout capacities, this tractor is equipped to handle a wide range of tasks with ease. The availability of a backhoe attachment further expands its capabilities, allowing operators to tackle digging and loading tasks with efficiency and precision.
In essence, the John Deere 770 represents the pinnacle of compact utility tractors, blending power, versatility, and reliability to meet the diverse needs of modern agricultural and landscaping operations. Its robust construction, efficient performance, and array of attachment options make it a trusted companion for farmers, landscapers, and property owners alike, embodying the spirit of innovation and excellence synonymous with the John Deere brand.
