Ford 2012 Super Duty Pickups F-250 User Manual page 80

2012
Suspensions (cont'd)
SPRING SPECIFICATIONS — FRONT COIL
Super Duty Combined Rating @
Series/Model
F-250/F-350
4x2
F-250/F-350
4x4
F-450 4x4
SPRING SPECIFICATIONS — REAR LEAF
Super Duty
Series/Model Ground (lbs.)
F-250 Pickup
(4)
F-250 Pickup
(5)
F-350 Pickup
(6)
F-350 SRW
Pickup
(7)
F-350 DRW Pickup
F-450
F-250 Pickup
(8)
F-250 Pickup
(9)
(1) Includes top plate.
(2) Pickup and Box Delete models include two-stage, variable-rate springs.
(3) Lists first stage/second stage/third stage as applicable.
(4) Auxiliary rear spring available and included with Camper Package and Heavy Service Package for Pickup Box Delete only (all 4x4 only; Diesel
4x2 156.2", 158.0" and 172.4").
(5) Auxiliary rear spring included with Camper Package and Heavy Service Package for Pickup Box Delete only (4x2 Diesel 137.0" and 141.8", 4x2
Gasoline 156.2", 158.0" and 172.4").
(6) 4x2 Diesel 156.2", 158.0" and 172.4"; 4x4 156.2", 158.0" and 172.4".
(7) 4x2 and 4x4 137.0" and 141.8"; 4x2 Gasoline 156.2", 158.0" and 172.4".
(8) 4x2 Diesel 156.2", 158.0" and 172.4"; 4x4 Diesel 137.0" and 141.8"; 4x4 156.2" and 158.0".
(9) 4x2 137" and 141.8", 4x2 gas 156.2", 158" and 172.4"; 4x4 gas 137" and 141.8".
80
F-250/F-350/F-450
Super Duty Pickups
Technical Specifications cont'd
Height of Spring @
Ground (lbs.) Design Load (in.)
3800
3950
4100
4250
4400
4550
4700
4850
5000
5250
4000
4400
4800
5200
5600
6000
5200
5600
6000
6500
Combined
Rating @ No. of Thickness
Leaves @ Pad
Main Leaf Pack and Auxiliary Spring (Including Auxiliary Spacer)
6100 4
6100 5
7000 4
7000 5
9000 5
9000 5
6100 3
6100 4
esourcebook.dealerconnection.com
Inside Dia.
(in.)
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
12.5 4.3
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
14.7 4.1
Total Overall
Length
(in.) (in.) Width (in.)
(1)
4.75 66.3
6.21 66.3
4.75 66.3
6.21 66.3
5.48 66.3
5.48 66.3
Main Leaf Pack Only
3.28 66.3
3.62 66.3
RE&T: 2012 Source Book
Wire Dia. Deflection Rate @
(in.) Ground (lbs. per in. ea.)
.799 638
.799 638
.810 677
.810 677
.830
.830
.870 745
.870 745
.880 780
.880 780
.670 349
.690 383
.720 410
.730 430
.760 469
.770 499
.730 430
.760 469
.770 499
.800 553
Deflection Rate
(lbs. per in./
Spring)
(2) (3)
3.00 349/654/1174
3.00 343/686/1639
3.00 349/654/1174
3.00 343/686/1639
3.00 448/930/1800
3.00 448/930/1800
3.00 324/782
3.00 314/650
716
716
Rating Each
@ Pad (lbs.
per Spring)
3133
3133
3133
3133
4289
4289
2695
2695
June 2011