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2008 F-250/F-350/F-450
Super Duty
®
Pickups
73
F-250/F-350/F-450 SD PICKUPS
July 2007
F-250/F-350/F-450
SD Pickups
Suspensions (cont’d)
SPRING SPECIFICATIONS — FRONT COIL
Super Duty
Series/Model
Combined Rating
@ Ground (lbs.)
Height of Spring @
Design Load (in.)
Inside Dia.
(in.)
Wire Dia.
(in.)
Deflection Rate @ Ground
(lbs. per in. ea.)
F-250-350 4x2 3650 12.0 4.0 .795 355
3800 12.0 4.0 .807 375
3950 12.0 4.0 .807 375
4100 12.0 4.0 .807 395
4250 12.0 4.0 .807 395
4400 12.0 4.0 .827 415
4550 12.0 4.0 .827 415
4700 12.0 4.0 .827 430
4850 12.0 4.0 .827 430
F-250-350 4x4 4000 14.7 4.1 .673 349
4400 14.7 4.1 .691 383
4800 14.7 4.1 .719 410
5200 14.7 4.1 .728 430
5600 14.7 4.1 .758 469
6000 14.7 4.1 .771 499
F-450 4x2 4800 14.7 4.1 .719 410
5200 14.7 4.1 .728 430
5600 14.7 4.1 .758 469
6000 14.7 4.1 .771 499
F-450 4x4 5200 14.7 4.1 .728 430
5600 14.7 4.1 .758 469
6000 14.7 4.1 .771 499
SPRING SPECIFICATIONS — REAR LEAF
Super Duty
Series/Model
Combined
Rating @
Ground
(lbs.)
No.
of
Leaves
Total
Thickness
@ Pad (in.)
OverallL
ength
(in.)
Width
(in.)
Deflection
Rate
(lbs. per in./
Spring)
(1)
(2)
(1) Pickup and Box Delete models include two-stage, variable rate springs.
(2) Lists first stage/second stage/third stage as applicable.
Rating Each
@ Pad (lbs.
per Spring)
Main Leaf & Auxiliary Spring (Including Spacer)
F-250 Pickup
(3)
(3) Auxiliary rear spring available and included with Camper Package and Heavy Service Package for Pickup Box Delete only.
6100 6 4.55 66.3 3.00 349/654/1174 3133
F-350 SRW Pickup 7000 6 4.55 66.3 3.00 349/654/1174 3133
F-350 DRW Pickup 9000 6 4.42 66.3 3.00 448/930/1800 4289
F-450 9500 4 4.54 66.3 3.00 542/1107/1506 4323
Main Leaf Only
F-250 Pickup 6100 5 2.98 66.3 3.00 348/685 2695
Technical Specifications cont’d
08_F-250F-350 PU.fm Page 73 Wednesday, August 22, 2007 3:28 PM