Case 9370, 9380, 9390 Quadtrac Tractor Service Manual

Case 9370, 9380, 9390 Quadtrac Tractor Service Manual

$35.00

Case 9370, 9380, 9390 Tractor Service Manual – 1819 Pages

Publication Number: 7-65420
English
November 1995
Format: PDF

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Description

Case 9370, 9380, 9390 Tractor Manual

Tractor Model: 9370, 9380, 9390
Publication Number: 7-65420
English
November 1995
Format: PDF

Case 9370, 9380, 9390 Tractor Service Manual – 1819 Pages

Manual Table of Content:

  1. General
  2. Engine
  3. Fuel System
  4. Electrical
  5. Steering
  6. Power Train
  7. Brakes
  8. Hydraulics
  9. Chassis

Manual Extract: Tractor Ballast

Loads Matched to Tractor
1. The best traction occurs when wheel slip for tractors equipped with bias tires is between 8 to 12 percent and 5 to 8 percent for tractors equipped with radial tires. Operating within this range will provide the best fuel economy, performance and tire life.
Proper ballasting procedures will provide the most efficient use of the tractor available horsepower. It will not make up for implements that are too large for the tractor. If engine speed falls off below the rated operating RPM range and wheel slip is not above the recommended operating range, adding weight WILL NOT improve tractor performance.
2. Before adding ballast, the tractor static weight distribution must be determined. Correct static weight ratio for the work application must be obtained and maintained so that equal (50-50) front and rear axle tractive effort is obtained when the tractor is under load.
3. Remove the weight when not needed for lighter loads.
4. Pull lighter loads at a little faster speed to do more work and increase efficiency. DO NOT over weight the tractor to pull very heavy loads.

The most important item in field operations is the amount of horsepower available at the hitch or drawbar. Power needed to move a tractor that has too much weight will decrease the power that is available to pull the implement.

IMPORTANT: The total tractor weight with all equipment and ballast weight must never be more than the maximum recommended operating weight.

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