Case 750 Crawler Dozer Service Manual


Case 750 Dozer Service Manual – 849 Pages

Publication Number: 9-72152
Format: PDF

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Case 750 Crawler Dozer Manual

Dozer Model: 750
Publication Number: 9-72152
Format: PDF

Case 750 Dozer Service Manual – 849 Pages

Manual Table of Content:

  1. General Description
  2. Specification
  3. Instruments
  4. Cooling System
  5. Electrical System
  6. Engine Air Intake System
  7. Tracks
  8. Transmission
  9. Hydraulic

Manual Extract

The description given herein and the information contained in this manual pertain to the “J. I. CASE” MODEL 750 tractor, Model 750 tractors are 18,575 pound, track-type units (with bucket and counterweight), powered by a 4 cylinder “CASE”
Model A-267D diesel engine.

Power from the engine is transmitted through the flywheel to the torque converter, which automatically multiplies
the engine torque to meet the varying load requirements. In the same manner, shock loads transmitted through the power train are absorbed by the fluid coupling effect of the torque converter before they can reach the engine. The power is transmitted from the torque converter to the transmission through a driveshaft universal joint assembly. From the transmission the power is transmitted through the hydraulic steering clutches to the final drives and the track drive sprockets.

On Model 750 Tractors, the torque
converter in combination with the transmission provides 4 forward speeds and 4
reverse speeds. This is the smoothest, most efficient type unit available.
Hydraulically operated brakes controlled by foot pedals are provided for pivot turns and stops. When one or both brakes are engaged, the transmission is neutralized, stopping the flow of power to the corresponding track or tracks. A hand brake
is provided for parking and holding the machine on inclines.

A torsion bar suspension system provides greater traction by allowing a higher degree of track oscillation. Dozer blades and loader buckets can be kept level on uneven ground. Shock loads normally transferred to the engine frame, and consequently throughout the tractor, are absorbed by the suspension system providing a longer life for your tractor.
Each unit includes such features as 24 volt electrical system, self lubricating track rollers, finger tip control system, adjustable seats, and complete wrap-around protection for the radiator.


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