
John Deere 250D and 300D
John Deere 250D and 300D Articulated Dump Truck Operation & Test Manual
John Deere 250D and 300D Series 2 Articulated Dump Trucks Operator Manual
(OMT284808)

✅ John Deere 250D and 300D Articulated Dump Truck Operator’s Manual (OMT284808) – Contents Overview
✅ General Information and Operator Safety
This section explains machine identification, serial number locations, safety decals, and internationally recognized warning symbols. It emphasizes safe operating practices, rollover protection awareness, and proper personal protective equipment for articulated dump truck operation.
✅ Operator Station and Controls
Details the cab layout, seat and steering adjustments, instrument panel indicators, control levers, pedals, and display warnings. Proper use of braking systems, articulation lock, and transmission controls is clearly described.
John Deere 250D and 300D Series 2 Articulated Dump Trucks Operator Manual
✅ Engine Operation and Drivetrain Function
Covers starting and shutdown procedures, engine monitoring, transmission operation, differential lock usage, and articulated steering behavior under load.
✅ Hydraulic System and Dump Body Operation
Explains hydraulic controls for hoist operation, body raising and lowering procedures, load distribution guidance, and stability considerations during dumping.
✅ Maintenance, Specifications, and Troubleshooting
Includes routine inspection schedules, fluid specifications, daily service checks, and operator-level troubleshooting guidance for performance warnings, abnormal noises, and system alerts.