Eaton Detroit Spring Inc.

Dodge D300 Truck 1 Ton 2WD
1970 - 1979 Application Guide

& Ordering

Select Ride Height and Click Part Number to order
Rev.
10/2010
Engine
Rear Leaf Springs - Sold Per Each
Part No.
 Note
Lvs.
Width
Rate
Load

1970

Pickup
225, 318, 383
Helper
6
2 1/2
623
 
7
2 1/2
742
1600
 
6
2 1/2
456
2050
 
7
2 1/2
660
3000

1971

Pickup
225, 318, 360, 383, 400
Helper
6
2 1/2
623
 
7
2 1/2
742
1600
 
6
2 1/2
456
2050
 
7
2 1/2
660
3000

1972

Pickup
225, 318, 360, 400
Helper
4
2 1/2
1510
 
4/1
2 1/2
220/430
1700
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1973 - 74

Pickup
225, 318, 360, 400, 440
Helper
4
2 1/2
1510
 
4/1
2 1/2
220/430
1700
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1975

Crew Cab Pickup
225, 318, 360, 440
Helper
4
2 1/2
1510
 
5/1
2 1/2
2500
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1976 - 78

Standard & Club Cab Pickup
225, 318, 360, 400, 440
Helper
4
2 1/2
1510
 
4/1
2 1/2
220/430
1700
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1976 - 78

Crew Cab Pickup
225, 318, 360, 400, 440
Helper
4
2 1/2
1510
 
5/1
2 1/2
2500
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1979

Standard & Club Cab Pickup
318, 360
Helper
4
2 1/2
1510
 
4/1
2 1/2
220/430
1700
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

1979

Crew Cab Pickup
318, 360
Helper
4
2 1/2
1510
 
5/1
2 1/2
2500
 
6/1
2 1/2
3250
 
6/1
2 1/2
4000

All Part Numbers listed above are Stock Ride Height.
Leaf Springs are available lifted or lowered up to 3 Inches, in 1 Inch increments.
Leaf Springs are sold Per Each.
For a pair of Leaf Springs, order 2.
Lifting or Lowering Leaf Springs adds $20.00 per spring.
We offer many springs that are not listed here. If you don't see your application, or need something custom, please Contact Us.
EATON Detroit Spring Inc.
1555 Michigan Avenue
Detroit, MI 48216
Phone: 1-313-963-3839
Fax: 1-313-963-7047