Description:
Serial Number Information
Use the serial number plate—typically located on the main frame near the cab or engine housing—to determine the exact production year:
Year |
Serial Number Range |
1987 |
#512741 – #516550 |
1988 |
#516551 – #522249 |
1989 |
#522250 – #527155 |
1990 |
#527156 – #531936 |
1991 |
#531937 – End of series |
Always reference the full serial number when ordering engine, hydraulic, or undercarriage components to ensure compatibility across model years.
Key Specifications
Feature |
Specification |
Engine Model |
John Deere 6414T |
Horsepower |
125 HP |
Carrier Type |
Crawler (Long Carriage - LC) |
Bucket Capacity |
1.37 cubic yards |
Operating Weight |
43,050 lbs (19,526 kg) |
Key Features
Reliable JD 6414T Turbo Diesel Engine
The 6-cylinder turbocharged diesel engine delivers 125 HP, making the 690D LC a capable performer for heavy-duty excavation, lifting, and trenching.
Long Carriage Crawler Stability
The LC configuration improves weight distribution and digging reach, providing a solid base for rocky, sloped, or soft ground environments.
Mid-Size Bucket Capacity
Equipped with a 1.37 yd³ bucket, the 690D LC is suitable for trenching, loading, and general site clearing with a good balance of volume and control.
Built for Serviceability
The frame layout offers easy access to engine and hydraulic components, streamlining preventive maintenance and daily inspections.
Common Replacement Parts
Keep your 690D LC excavation-ready with essential components available at Broken Tractor:
Engine Components
Fuel injectors, turbochargers, head gaskets, oil filters, thermostats
Hydraulics
Boom cylinders, bucket cylinders, hydraulic pumps, swing motors, hoses
Undercarriage
Track rollers, idlers, sprockets, track chains, recoil springs
Swing & Travel Drive
Swing bearings, planetary drives, final drives, travel motors
Cab & Electrical
Operator seats, display gauges, ignition switches, monitor wiring harnesses
Maintenance Schedule
Task |
Recommended Interval |
Engine Oil & Filter |
Every 250 hours |
Fuel Filter Replacement |
Every 200 hours |
Hydraulic System Fluid & Filter |
Every 500 hours |
Swing Bearing Grease |
Weekly or every 50 hours |
Track Tension Adjustment |
Weekly |
Cooling System Flush |
Every 1,000 hours or annually |