Specifications

F-250/F-350/F-450
SD Pickups
77
esourcebook.dealerconnection.com
RE&T: 2012 Source Book
F-250/F-350/F-450
Super Duty Pickups
Technical Specifications cont’d
2012
June 2011
Axles (cont’d)
REAR AXLE SPECIFICATIONS
Model F-250 F-350 SRW
F-350 DRW
Pickup
F-450 DRW
Pickup
Make (Standard and Limited Slip) Ford Sterling Ford Sterling Dana 80 Dana 80
Max. Rating @ Ground (lbs.) 6200 7280 9500 9500
Type Full-floating
Driveline Attachment Circular Flange
Housing — Type Cast Center
— Cover Attachment Bolted
Section — Tube Dia. (in.) 3.50 4.00
Synthetic Lubricant Capacity (pt.) 7.0 8.25
Spring Centers (in.) 45.0
Wheel Bearings — Type Tapered Roller
Gears — Type Hypoid
— Material Alloy Steel
Ring Gear — Pitch Dia. (in.) 10.50 11.25
Pinion — Mounting Overhung
Differential — Type
(1)
2-pinion
Axle Shaft — Spline Minor Dia. (in.) 1.36 1.50
— Spline Major Dia. (in.) 1.50 1.57
— No. of Splines (Hub End) 35 37
(1) 2-pinion with 6.2L (378 CID) SEFI V8. 3-pinion with 6.7L (409 CID) OHV V8 turbo diesel engine.
Brakes
HYDRAULIC BRAKE EQUIPMENT SPECIFICATIONS — FRONT/REAR DISC
Type
Super Duty
Series/Model
Axle Usage
(lbs.)
Rotor Dia. (in.)
Brake
Lining
Segment
Area (sq. in.)/
Width (in.)/
Thickness
(in.)
Caliper
Piston
No. Dia.
(in.)
Gross
Lining
Area
Per Axle
(sq. in.)
Total
Swept
Area
Per Axle
(sq. in.)OD ID
Front
Disc
F-250/F-350 5250/6000 13.66 9.06 Outboard 8.65/2.17/0.45 Dual/2.36 34.6 306.4
Inboard 8.65/2.17/0.45
F-350 DRW 6000 13.66 9.06 Outboard 8.65/2.17/0.58 Dual/2.36 34.6 306.4
Inboard 8.65/2.17/0.58
F-450 6000 14.53 9.06 Outboard 8.65/2.17/0.58 Dual/2.36 34.6 306.4
Inboard 8.65/2.17/0.58
Rear
Disc
F-250/F-350
SRW
6200/7280 13.39 9.06 Outboard 7.40/1.92/0.33 Dual/1.89 29.6 272.01
Inboard 7.40/1.92/0.33
F-350 DRW 9000/9750 13.39 9.06 Outboard 7.40/1.92/0.33 Dual/2.13 29.6 272.01
Inboard 7.40/1.92/0.33
F-450 9000 15.35 9.06 Outboard 7.40/1.92/0.47 Dual/2.13 29.6 272.01
Inboard 7.40/1.92/0.47
BRAKE MASTER CYLINDER SPECIFICATIONS
Type Model/Series Bore Dia. (in.) Booster Type
Dual System, Dash-mounted All F-250/F-350 (Gas engine) 1.3125 Vacuum
F-350 (Diesel)/F-450 1.50 Hydro
BRAKES BOOSTER SPECIFICATIONS
Make/Type Super Duty Series/Model
Booster
Type Effective Dia. (in.) Diaphragm Type
Dash-mounted All F-250/F-350 (Gas engine) Vacuum Boost 9.84 Dual
F-350 (Diesel)/F-450 Hydro 1.56 Power Piston