John Deere 250D, 300D Series 2 Dump Truck Technical Manual

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Nov 6, 2025
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John Deere 250D, 300D Series 2 Dump Truck Technical Manual 


John Deere 250D, 300D Series 2 Dump Truck Technical Manual Download 


(S.N. after E642001 – )


Table of Contents

Repair Technical Manual – TM12404


Section 00—General Information

Group 01—Safety

Group 0003—Torque Values

Section 01—Wheels

Group 0110—Powered Wheels and Fastenings

Section 02—Axles and Suspension Systems

Group 0200—Removal and Installation

Group 0210—Differential or Bevel Drive

Group 0225—Input Drive Shafts and U-Joints

Group 0242—Axle Mounting Parts

Group 0250—Axle Shaft, Bearings, and Reduction Gears

Section 03—Transmission

Group 0300—Removal and Installation

Group 0325—Input Drive Shafts and U-Joints

Group 0350—Gears, Shafts, and Power Shift Clutches

Group 0360—Hydraulic System

Section 04—Engine

Group 0400—Removal and Installation

Section 05—Engine Auxiliary System

Group 0510—Cooling System

Group 0520—Intake System

Group 0530—External Exhaust Systems

Group 0540—Engine Mounting

Group 0560—External Fuel Supply Systems

Section 07—Connector Drive (Flex plate)

Group 0752—Elements

Section 08—Transfer Drive

Group 0800—Removal and Installation

Group 0851—Gear Shafts and Bearings

Section 09—Steering System

Group 0930—Secondary Steering

Group 0960—Hydraulic System

Section 10—Service Brakes

Group 1011—Active Elements

Group 1060—Hydraulic System

Section 11—Park Brake

Group 1111—Active Elements

Section 17—Frame and Supporting Structure

Group 1740—Frame Installation

Section 18—Operator’s Station

Group 1810—Operator Enclosure

Group 1821—Seat and Seat Belt

Group 1830—Heating and Air Conditioning

Section 19—Sheet Metal and Styling

Group 1910—Hood or Engine Enclosure

Section 21—Main Hydraulic System

Group 2160—Hydraulic System

Section 22—Pneumatic Systems

Group 2261—Pumps and Drives

Group 2262—Control Valves

Group 2264—Reservoir, Filter, and Trap

Section 35—Haulage Device

Group 3540—Frames

Group 3560—Hydraulic System

Section 99—Dealer Fabricated Tools

Group 9900—Dealer Fabricated Tools

 


Operation and Test Manual – TM12402


Section 9000—General Information

Group 01—Safety

Section 9001—Diagnostic Trouble Codes (DTCs)

Group 10—Transmission Control Unit (TCU) Diagnostic Trouble Codes

Group 20—Engine Control Unit (ECU) Diagnostic Trouble Codes

Group 30—Chassis Control Unit (CCU) Diagnostic Trouble Codes

Group 40—CAN Monitor Unit (CMU) Diagnostic Trouble Codes

Group 50— 25-Button Sealed Switch Module (SSM)(OC3) Diagnostic Trouble Codes

Group 60—15-Button Sealed Switch Module (SSM) (OC4) Diagnostic Trouble Codes

Section 9005—Operational Checkout Procedure

Group 10—Operational Checkout Procedure

Section 9010—Engine

Group 05—Theory of Operation

Group 15—Diagnostic Information

Group 20—Adjustments

Group 25—Tests

Section 9015—Electrical System

Group 05—System Information

Group 10—System Diagrams

Group 15—Sub-System Diagnostics

Group 16—Monitor Operation

Group 20—References

Section 9020—Power Train

Group 05—Theory of Operation

Group 15—Diagnostic Information

Group 25—Tests

Section 9022—Pneumatic System

Group 05—Theory of Operation

Group 15—Diagnostic Information

Group 25—Tests

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