Caterpillar D250E & D300E Articulated Trucks Factory Service & Shop Manual


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Complete workshop & service manual with electrical wiring diagrams for Caterpillar D250E & D300E Articulated Trucks. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Caterpillar D250E & D300E Articulated Trucks service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

MANUAL LIST:
SENR2947 – Systems Operation (Starting and Charging Systems)
SENR8632 – Schematics (D250E and D300E Articulated Truck Electrical System)
SENR8636 – Specifications (D250E and D300E Articulated Trucks Power Train)
SENR8641 – Specifications (D250E & D300E Articulated Trucks Brake System)
SENR8643 – Specifications (D250E and D300E Articulated Trucks Steering, Suspension, and Body Hoist Hydraulic Systems)
SENR8647 – Schematics (D250E and D300E Articulated Truck Hydraulic System)
SENR8653 – Disassembly and Assembly (D250E & D300E Articulated Trucks Power Train)
SENR8654 – Disassembly and Assembly (D250E & D300E Articulated Trucks Machine Systems)
SENR8655 – Disassembly and Assembly (Supplement for D250E & D300E Articulated Trucks – 3306 Engine)
SENR8637 – Systems Operation (D250E & D300E Articulated Trucks Power Train).pdf
SENR8640 – Systems Operation (D250E & D300E Articulated Trucks Steering, Suspension & Body).pdf
SENR8640 – Testing and Adjusting (D250E & D300E Articulated Trucks Steering, Suspension & Body).pdf
SENR8642 – Systems Operation (D250E & D300E Articulated Trucks Brake System).pdf
SENR8642 – Testing and Adjusting (D250E & D300E Articulated Trucks Brake System).pdf
SENR8656 – Systems Operation (Electronic Programmable Transmission Control (EPTC II) for A).pdf
SENR8656 – Testing and Adjusting (Electronic Programmable Transmission Control (EPTC II) for A).pdf

EXCERPT:
Tractor Arrangement – D250E
A ring gear mounted on the engine flywheel drives the torque converter (6). The torque converter has an integral lockup clutch which allows the machine to operate in converter drive or direct drive.
Hydraulic retarder (9) – if equipped – is positioned between the engine and the torque converter. The retarder is an auxiliary brake used for continuous speed control during operation on downgrades.
The transmission drive shaft (5) transmits power to the planetary transmission (4). The transmission is a full power shift planetary type which contains six hydraulically actuated clutches to give five forward and two reverse speeds.
The transmission output shaft transmits drive through the output transfer drive (3) to the front and center drive shafts (12 and 2). The front drive shaft is connected to the front differential (11) which transmits torque to the wheel mounted final drives (10). The center drive shaft (2) is connected to the through
hitch drive shaft (1).
The output transfer drive (3) houses an inter-axle differential (13), which divides torque between the tractor and trailer axle differentials.