John Deere 770
The John Deere 770 is a compact utility tractor manufactured by Yanmar in Japan and distributed by John Deere. It is part of the 70 Compact Series and was originally priced at $13,000 in 1998. The tractor is powered by a Yanmar 1.4L 3-cylinder diesel engine that produces 23 horsepower, with a claimed PTO output of 20 horsepower.
The 770 features an 8-speed unsynchronized gear transmission, offering eight forward and two reverse speeds. It has a maximum forward speed of 10.8 mph and is equipped with dry shoe brakes. The tractor is available in both two-wheel and four-wheel drive configurations, with a mechanical rear differential lock for improved traction.
This versatile machine has a wheelbase of 61 inches (154 cm) and weighs between 1,930 to 2,105 pounds. It features an open center hydraulic system with a pump flow of 5.6 gpm (21.2 lpm) for manual steering models, or 9.9 gpm (37.5 lpm) for power steering models. The rear three-point hitch is category I, with a lift capacity of 815 lbs (369 kg) at 24 inches behind the lift points.
The John Deere 770 is equipped with a 540 rpm rear PTO and an optional 2100 rpm mid PTO. It has a fuel capacity of 6.3 gallons (23.8 L) and a hydraulic system capacity of 4 gallons (15.1 L). The tractor features manual steering as standard, with power steering available as an option.
Various attachments are available for the 770, including a 60-inch mid-mount mower deck, blade, front-end loader, and backhoe. This makes it a versatile machine suitable for a wide range of agricultural and landscaping tasks. The tractor is known for its reliability, versatility, and compact size, making it popular among small-scale farmers and property owners.
John Deere 770 Parts
Engine Components
- Yanmar 1.4L 3-cylinder diesel engine
- Push rod
- Camshaft
- Connecting rod
- Air intake manifold
- Engine assembly
- Fan drive
Filters
- Oil filter (spin-on type)
- Fuel filter (spin-on type)
- Air filter
- Hydraulic filter element
Transmission and PTO
- 8-speed unsynchronized gear transmission
- Clutch friction discs
- 540 rpm rear PTO
- Optional 2100 rpm mid PTO
Hydraulic System
- Open center hydraulic system
- Hydraulic pump
Electrical Components
- Starter motor (12V, 3.4kW)
- Electronic module
Cooling System
- Water pump assembly
- Bottom hose
Brakes and Steering
- Brake pads
- Manual steering (standard)
- Power steering (optional)
Attachments and Accessories
- Front-end loader
- Mid-mount mower deck (60-inch)
- Backhoe
- Blade
- Trailer mover
- Tool storage
Miscellaneous Parts
- Divider points
- Reinforcement strap
- Top link clip
- Woodruff key
- Hood guard
- Canopy
- Lighting accessories
John Deere 770 Specs
Engine
- Yanmar 3TN82-RJX 1.4L 3-cylinder diesel
- 23 hp (17.2 kW) net power
- 20 hp (14.9 kW) PTO power (claimed)
- Liquid-cooled
- Direct injection fuel system
- 18.1:1 compression ratio
- 2600 rated RPM
- 800-2800 idle RPM
Transmission
- 8-speed unsynchronized gear
- Two- or four-wheel drive options
- Mechanical rear differential lock
Dimensions
- Wheelbase: 61 inches (154 cm)
- Weight: 1930 to 2105 pounds (875 to 955 kg)
Hydraulics
- Open center system
- 4 gallon (15.1 L) capacity
- 2050 psi (141.3 bar) pressure
- 5.6 gpm (21.2 lpm) pump flow (manual steering)
- 9.9 gpm (37.5 lpm) pump flow (power steering)
PTO
- Rear PTO: 540 rpm at 2600 engine rpm
- Optional mid PTO: 2100 rpm at 2600 engine rpm
Hitch
- Category I three-point hitch
- Rear lift capacity: 815 lbs (369 kg) at 24 inches behind lift points
Capacities
- Fuel tank: 6.3 gallons (23.8 L)
- Hydraulic system: 4 gallons (15.1 L)
- Engine oil: 4.2 quarts (4.0 L)
- Coolant: 5.1 quarts (4.8 L)
Features
- Manual steering (standard)
- Power steering (optional)
- Dry shoe brakes
- Two-post ROPS
Tires
- Front: 4.00-15
- Rear (2WD): 9.5-24
Production
- Manufactured from 1989 to 1998
- Built in Japan by Yanmar
- Original price: $13,000 in 1998
Attachments
- 60-inch mid-mount mower deck
- Front-end loader
- Backhoe
- Blade
John Deere 770 Price
New Price
- The price for a new John Deere 770 is approximately $133,200 as of 2023.
Used Price
- Used John Deere 770 models are available at various price points depending on their age, condition, and hours of use:
- A 2017 model is priced around $58,950.
- Other used models range from approximately $47,300 to $210,000 based on specifications and features.
These prices reflect the current market trends in the USA as of January 2025.
John Deere 770 Where to Buy
Local Dealerships
- Visit authorized John Deere dealerships in your area. They often have new and used models, including the John Deere 770, along with financing options and service support.
Online Marketplaces
- Mascus USA: A platform for buying used agricultural equipment, including the John Deere 770. You can filter listings by price, year, and location.
- MachineFinder: This is John Deere’s official site for finding used equipment. It aggregates listings from various dealerships across the country.
- Machinery Pete: A popular website for searching used tractors and farm equipment, offering a variety of listings for the John Deere 770.
- Fastline: Another online marketplace that lists both new and used tractors, including the John Deere 770. You can search by location and compare prices.
Specialized Equipment Retailers
- CloudStore: Offers a range of used John Deere models, including the 770, with options for financing and shipping nationwide.
These platforms provide a wide selection of options for purchasing both new and used John Deere 770 tractors, catering to different needs and budgets.
John Deere 770 Horsepower
John Deere 770 Horsepower Specifications
- Engine Horsepower: 23 hp (17.2 kW) at 2600 RPM
- PTO Horsepower: 20 hp (14.9 kW) at 540 RPM
These specifications highlight the power output of the John Deere 770, making it suitable for various agricultural and utility tasks.
John Deere 770 Problems
Common Problems with John Deere 770
- Fuel Injector Pump Issues: The fuel injector pump may fail, often due to water contamination in the fuel, leading to rust and corrosion. This can result in costly repairs.
- Transmission Problems: Users report issues with the transmission locking up when shifting into gears higher than first, making it difficult to operate effectively.
- Fuel Shut-off Solenoid Failure: The fuel shut-off solenoid may not stay closed, causing starting issues and fuel delivery problems.
- Oil and Fuel Contamination: Some users experience oil that appears thin and burnt, indicating possible contamination from diesel fuel, which can affect engine performance.
- Hydraulic System Failures: Problems with the hydraulic system can occur, such as slow response or complete failure to lift attachments.
- Electrical Issues: Corroded battery connections and electrical faults can lead to starting problems and intermittent functionality of components.
- Overheating: The engine may overheat if the cooling system is not functioning properly, which can lead to severe engine damage if not addressed.
- Tire Wear and Traction Issues: Users have noted that the tractor can be light on the back end, leading to traction problems, especially when using heavy implements.
- No Tool Storage: The lack of a designated tool storage area can be inconvenient for operators who need easy access to tools while working.
- Seat Durability: The seat may wear quickly, leading to discomfort during prolonged use and necessitating replacement sooner than expected.
John Deere 770 Weight
John Deere 770 Weight Specifications
- 2WD Weight: 1,930 lbs (875 kg)
- 4WD Weight: 2,105 lbs (955 kg)
These weights reflect the standard operating weights for the John Deere 770 in both two-wheel drive and four-wheel drive configurations.
John Deere 770 Loader
Loader Model
- The John Deere 770 is compatible with the John Deere 70 front-end loader.
Lift Capacity
- The loader has a lift capacity of approximately 700 lbs (317 kg) to full height at the pin.
Breakout Force
- The breakout force for lifting is around 1,300 lbs (589 kg).
- The bucket breakout force is approximately 1,570 lbs (712 kg).
Loader Dimensions
- Height to Pin: 77.3 inches (1960 mm)
- Clearance with Dumped Bucket: 62 inches (1570 mm)
- Dump Reach: 27 inches (680 mm)
- Dump Angle: 45 degrees
- Rollback Angle: 22 degrees
- Reach at Ground Level: 49.8 inches (1260 mm)
Bucket Options
- Available bucket widths include 48 inches (1210 mm), 54 inches (1370 mm), and 60 inches (1520 mm).
The John Deere 770 loader is designed to enhance the tractor’s versatility, making it suitable for various tasks such as material handling, landscaping, and agricultural applications.
John Deere 770 Attachments
- Front-End Loader: Ideal for lifting and moving materials such as soil, gravel, and debris.
- Backhoe: Useful for digging, trenching, and landscaping tasks.
- Rotary Cutter: Designed for mowing grass, brush, and light woodland areas.
- Box Blade: Effective for grading and leveling surfaces, as well as spreading materials.
- Pallet Forks: Essential for moving pallets and heavy loads efficiently.
- Snow Blade: Used for clearing snow from driveways and pathways during winter.
- Tiller: Perfect for preparing garden beds and tilling soil for planting.
- Mower Deck: Allows for mowing grass in larger areas with precision.
- Post Hole Digger: Ideal for drilling holes for fence posts and planting trees.
- Grader Blade: Useful for smoothing and leveling surfaces, especially in road maintenance and landscaping projects.
These attachments enhance the functionality of the John Deere 770, making it a versatile tool for various agricultural and landscaping tasks.
John Deere 770 Hydraulic System
Type
- The John Deere 770 features an open center hydraulic system.
Hydraulic Capacity
- The hydraulic system has a capacity of 4 gallons (15.1 liters).
Pressure Rating
- The system operates at a maximum pressure of 2050 psi (141.3 bar).
Pump Flow
- The hydraulic pump flow is approximately 5.6 gpm (21.2 lpm) for manual steering models and up to 9.9 gpm (37.5 lpm) for power steering models.
Rear Valves
- The tractor is equipped with two rear hydraulic valves, allowing for the connection of various attachments.
Lift Capacity
- The hydraulic system enables the rear three-point hitch to lift up to 815 lbs (369 kg) at 24 inches behind the lift points.
Hydraulic Functionality
- The hydraulic system supports various functions, including lifting and lowering attachments, steering assistance, and operating implements like loaders and backhoes.
This hydraulic system design enhances the versatility and efficiency of the John Deere 770, making it suitable for a wide range of agricultural and utility tasks.
FAQ
770 FAQ
The John Deere 770 features an open center hydraulic system.
The weight of the John Deere 770 varies between 1,930 lbs (2WD) and 2,105 lbs (4WD).
Common attachments include a front-end loader, backhoe, rotary cutter, mower deck, and box blade.
The rear three-point hitch can lift up to 815 lbs at 24 inches behind the lift points.
The John Deere 770 has an 8-speed unsynchronized gear transmission.
Yes, the John Deere 770 is ideal for small farms due to its compact size and versatility.
The fuel tank capacity is approximately 6.3 gallons (23.8 liters).
Power steering is available as an optional feature on the John Deere 770.
Common issues include fuel injector pump failures, transmission problems, and hydraulic system failures.
FAQ 770 Attachments
The John Deere 770 is compatible with various attachments, including front-end loaders, backhoes, rotary cutters, mower decks, and box blades.
Yes, a backhoe attachment can be used with the John Deere 770 for digging and trenching tasks.
The front-end loader for the John Deere 770 has a lift capacity of approximately 700 lbs to full height at the pin.
Yes, bucket sizes for the loader typically include options such as 48 inches, 54 inches, and 60 inches.
Implement attachment and detachment can be done using standard quick-attach systems designed for ease of use.
The John Deere 770 is commonly equipped with a 60-inch mid-mount mower deck.
Yes, pallet forks are available as an attachment for the John Deere 770, allowing for efficient material handling.
A box blade attachment is used for grading and leveling surfaces, making it ideal for landscaping and road maintenance.
Yes, snow blades or snow blowers can be attached to the John Deere 770 for effective snow removal during winter months.
The hydraulic system provides power to operate various attachments, enabling functions such as lifting, tilting, and angling implements.
FAQ Horsepower 770
The PTO horsepower for the John Deere 770 is approximately 20 hp.
The maximum horsepower is achieved at 2600 RPM.
The horsepower of the John Deere 770 is considered below average compared to similar utility tractors.
The John Deere 770 is equipped with a Yanmar 3TN82-RJX, a 3-cylinder liquid-cooled diesel engine.
While the horsepower is adequate for many tasks, it may not be sufficient for heavy-duty applications that require more power.
Modifications may improve performance, but significant increases in horsepower could affect reliability and warranty.
Lower horsepower tractors are often more fuel-efficient, easier to maneuver in tight spaces, and can be more affordable for small-scale operations.
The John Deere 770 is suitable for light to moderate agricultural tasks, landscaping, and general utility work.
The hydraulic system’s performance can be influenced by the engine’s horsepower, affecting how effectively attachments operate under load.
FAQ 770 Hydraulic System
The hydraulic system has a capacity of 4 gallons (15.1 liters).
The hydraulic system operates at a maximum pressure of 2050 psi (141.3 bar).
The John Deere 770 is equipped with two rear hydraulic valves for attachment connections.
The hydraulic pump flow rate is approximately 5.6 gpm (21.2 lpm) for manual steering models and up to 9.9 gpm (37.5 lpm) for power steering models.
The hydraulic system provides power to operate various attachments, enabling functions such as lifting, tilting, and angling.
Yes, the hydraulic system supports the operation of a backhoe attachment.
Common issues include slow response, leaks, and complete failure to lift attachments.
Yes, additional hydraulic functions can be added by installing more valves or circuits as needed.
Regular maintenance includes checking fluid levels, inspecting hoses for leaks, and replacing filters as necessary.
The John Deere 70 front-end loader is designed for use with the John Deere 770.
Bucket sizes for the loader typically include options of 48 inches, 54 inches, and 60 inches.
The breakout force for lifting is around 1,300 lbs, while the bucket breakout force is approximately 1,570 lbs.
The loader can be attached and detached using a quick-attach system designed for ease of use.
The height to pin for the John Deere 70 loader is about 77.3 inches.
The dump angle for the loader is approximately 45 degrees.
Yes, a backhoe attachment can be used alongside the loader for additional functionality.
The reach at ground level for the John Deere 70 loader is approximately 49.8 inches.
Regular maintenance includes checking hydraulic fluid levels, inspecting hoses for leaks, and ensuring all connections are secure.
FAQ 770 Weight
What is the weight of the John Deere 770 in 2WD configuration?
The weight of the John Deere 770 in 2WD configuration is approximately 1,930 lbs (875 kg).
What is the weight of the John Deere 770 in 4WD configuration?
The weight of the John Deere 770 in 4WD configuration is about 2,105 lbs (955 kg).
Does the weight vary with attachments?
Yes, the overall weight can vary depending on the attachments used with the John Deere 770.
How does the weight affect performance?
The weight contributes to stability and traction, especially when using implements or working on uneven terrain.
Is the John Deere 770 considered lightweight for a tractor?
Yes, its weight is generally considered lightweight compared to many other utility tractors, making it suitable for tasks in tight spaces.
What is the significance of the tractor’s weight for transportation?
A lighter weight can make it easier to transport on trailers and reduce wear on roads when moving from one location to another.
Can the weight be increased for specific tasks?
Yes, additional ballast can be added to increase stability and traction for specific tasks or when using heavy implements.
How does the weight distribution affect handling?
Proper weight distribution enhances handling and maneuverability, particularly when navigating slopes or uneven ground.
What are the implications of weight on fuel efficiency?
Generally, a lighter tractor may offer better fuel efficiency, but this can vary based on load and operating conditions
Is there a recommended maximum load for the John Deere 770?
While specific load recommendations may vary based on conditions and attachments, operators should always consider safe lifting capacities and stability guidelines.