TRAILER TYPE D

Capacities from 18,000 lbs. per axle, front mounted tie-rods. Type “D” running gear is designed for heavy loads in rugged service and off-highway use. This type “D” front steering axle is suited for all speeds, both on and off the highway, on smooth rough and extremely rough terrain.  The type to order if your unit will encounter rough military or heavy commercial type use, requiring capacities exceeding type “H” running gear. The typical corresponding rear axle for the type “D” front steering axle can accommodate different types of springs, brakes, brake systems, hubs, wheels and tires are available for this front and rear axle assembly.  Different capacity rear and front axles may be used when necessary.

SOME SAMPLE RUNNING GEAR COMBINATIONS
CONFIG TIRE WHEEL HUB HUB& DRUM FRNT&RR BRAKE K S W R
Singles
Front/Rear
Singles/front
Duals/Rear
Singles
Front/Rear
Singles
Front/Rear
Singles
Front/Rear
7.50X15
7.50X15
7.50X15
9.00x16
9.00x16
540291
540300
540291
540216
540309
522880-1
 522882-3
 522845-6
525410-1
522410-1
 525422-3
NONE
NONE
519830-1
519830-1
519830-1
T-14
T-15-1/4
T-27
T-27
T-27
T-32
T-33
T-35
T-37
T-38
T+8-1/2
T+18-5/8
T+8-1/2
T+9-7/8
T+10-3/8
T-12-1/2
T-24
T-24
T-24
T-24 *
  SELECTION PROCEDURE    
1. Check quotation specification drawings
2. Tire size
3. Axle size and spindles
4. Springs and fittings
5. Wheels
6. Parking brakes
7. Service brakes

8. Brake drums
9. Hubs
10. Parking Brake Linkages
11. Service brake actuating systems
12. Drawbars
13.
Chassis accessories such as:
tie-downs, reflectors,
lunnette eyes, pintle hooks, etc.
DESIGN NOTES

When a drawbar latch is required the tongue length must be sufficient so that the drawbar is attached in front of the frame. MIL-M-8090 requires the drawbar to be raised at any possible cramping or turning angle of the tongue.