Truck Transmissions, Differentials, Transfer Cases, Pto's and Parts
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rebuilt new and used truck differentials and parts.
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Rebuilt Truck Transmissions, Differentials, Transfer Cases and PTOs.
Truck transmissions, differentials and parts.
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Truck Transmissions, Differentials, Transfer Case, Power Take Off and Parts.
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Rebuilt, new and used truck transmissions, differential and pto.
Factory remanufactured truck transmissions, differentials and PTO.
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Fabco Truck Differentials. Fabco Differential.
(888) 9-4-GEARS
(888) 944-3277

We offer the complete line of Fabco Differentials and all related repair and replacement parts for trucks and heavy equipment.
New and Factory Remanufactures Fabco truck differentials.

Can you afford to trust something so integral to the operation of your Fabco truck or heavy equipment to a roadside shop or truck stop mechanic. All of our Fabco differentials are genuine OEM Fabco for the finest quality and reliability available on the market today. The Worlds largest rebuilt Fabco differential supplier offers same day shipping anywhere in the World at discount prices.

When it comes to the Fabco differential that you depend on to make your living or one in your fleet of trucks, our people truly are the pros and we have no issue in providing our credentials to prove it. You want it done and done right. We offer all the latest technologies offered by Fabco.

Our reputation says it all. We are honest and fair and it shows. Give us a call and see the difference for yourself.

Our distribution centers are located throughout the US for fast reliable delivery. Our massive inventory of Fabco truck differentials and parts can supply you with the right part the first time or a complete truck differential factory built to the specs you provide.

Fabco differentials from the leader in the industry: Fabco truck differentials, Fabco tractor trailer differentials, Fabco heavy equipment differentials, Fabco semi truck differentials and parts delivered anywhere on the planet.

For all your Fabco differential and differential parts needs. One call does it all. Best price and availability guaranteed. We stock: Fabco truck differential, Fabco semi truck differential, Fabco heavy equipment differential, Fabco farming differential, Fabco industrial differential and repair and replacement parts and supplies. Rebuilt exchange program.

Fabco  differentials and all related repair parts for all makes and models with same day Domestic and Fabco shipping.

Fabco Drive Axle, Axle, Ring and Pinion, Crown Wheel and Pinion, in stock and ready to ship today. All Fabco models as well as parts, front rear and rear rear units, bearing kits, rebuild kits, crown wheel and pinion sets, seal kits, bearings, shim kits, axle seals, yokes, u-joints, drive shafts, axles, housings, covers, seals, ring & pinion, spider gears, power divider, posi-traction, spools, Detroit lockers, axle gears, seals, bearing overhaul kits, diff case parts, rear ends, carriers, spider gear sets, pinion yokes, housings, master install kit, pinion nut and much more. Any part for any Fabco differential ever made.

Fabco Differential Exchange Program.
Fabco Differential Parts.
Fabco Drive Axle,
Fabco Axle.

All Rebuilt Fabco Differential models available for delivery or shipped World wide.
FSD-14A Steerable Drive Axle.
Differential Carrier   Hypoid
Ring Gear Diameter 12.20 Inch
Pinion Splines 2.00 Inch Dia., 39 Spline Involute
Single Reduction Ratios 3.07, 3.31, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.78, 4.88, 5.13, 5.38, 5.57, 5.86, 6.14, 6.50
FSD-12A Steerable Drive Axle.
Differential Carrier   Hypoid
Ring Gear Diameter 12.20 Inch
Pinion Splines 2.00 Inch Dia., 39 Spline Involute
Single Reduction Ratios 3.07, 3.31, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.78, 4.88, 5.13, 5.38, 5.57, 5.86, 6.14, 6.50
FSD-10A Steerable Drive Axle.
Differential Carrier   Hypoid
Ring Gear Diameter 12.20 Inch
Pinion Splines 2.00 Inch Dia., 39 Spline Involute
Single Reduction Ratios 3.07, 3.31, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.78, 4.88, 5.13, 5.38, 5.57, 5.86, 6.14, 6.50
FSD-8A Steerable Drive Axle
Differential Carrier Hypoid
Ring Gear Diameter 12.20 Inch
Pinion Splines 2.00 Inch Dia. 39 Spline Involute
Single Reduction Ratios 3.07, 3.31, 3.58, 3.73, 3.91, 4.10, 4.30, 4.56, 4.78, 4.88, 5.13, 5.38, 5.57, 5.86, 6.14, 6.50
Steerable Drive Axle.
FSD-8A, FSD-10A, FSD-12A, FSD-14A
Steerable Drive Axle
SDA-1800, SDA-2100, SDA-1600, SDA-2300
Hub Reduction Steerable
FSDP-09-S (Obsolete)
FSDP-10-S, FS2P-20-S, FSDP-14-G, FS2P-28-G, FS3P-42-G
SDA-1600 Steerable Drive Axle.
Differential Carrier Hypoid
Ring Gear Diameter 14.5 Inch
Pinion Spline 1.75 Diameter, 34 Spline Involute
Single Reduction Ratios 3.55, 3.70, 3.90, 4.11, 4.33, 4.63, 4.88, 5.29, 5.38, 5.57, 5.83, 6.17, 6.50, 7.17
FSDP-09-S (Obsolete)
Planetary, hub reduction Steerable Drive Axle.
Differential Carrier Spiral Bevel
Single Reduction Ratios 4.11, 4.27, 4.63, 4.85, 5.27, 5.54, 5.66, 6.36, 8.83, 10.58
FSDP-10-S Planetary,
hub reduction Steerable Drive Axle.
Differential Carrier Spiral Bevel
Overall Reduction Ratios: 4.27, 4.63, 4.85, 5.27, 5.54, 5.66, 6.36
Optional Ratios: 7.01, 8.83, 10.55
FSDP-14-G Planetary hub reduction Steerable Drive Axle.
Differential Carrier Spiral Bevel
Overall Reduction Ratios 4.65, 4.90, 5.54, 6.36, 7.01, 8.79, 9.51 and 10.55
Overall Ratio FS2P28G/3P42G 6.36, 7.01, 8.79, 10.55
FS2P-20-S Planetary hub reduction Steerable Drive Axle.
Differential Carrier          
Center Differential, Planetary Wheel-end restriction, 5 planet Carrier
Overall Reduction Ratios 4.63, 4.85, 5.27, 5.54, 6.36, 7.01, 8.83
FS2P-28-G Planetary, hub reduction Steerable Drive Axle.
Differential Carrier. Spiral Bevel, Center Differential,
Planetary Wheel End Reduction, 5 Planet Carrier
Overall Reduction Ratios 4.65, 4.90, 5.54, 6.36, 7.01, 8.79, 9.51 and 10.55 Overall Ratio FS2P28G/3P42G 6.36, 7.01, 8.79, 10.55
FS3P-42-G Planetary hub reduction Steerable Drive Axle.
Differential Carrier. Spiral Bevel, Center Differential, Planetary Wheel End Reduction, 5 Planet Carrier
Overall Reduction Ratios 4.65, 4.90, 5.54, 6.36, 7.01, 8.79, 9.51 and 10.55 Overall Ratio FS2P28G/3P42G 6.36, 7.01, 8.79, 10.55
SDA-1800 Steerable Drive Axle.
Differential Carrier Spiral Bevel
Ring Gear Diameter 16.5 Inch
Pinion Splines 2.00 Inch Diameter, 39 Involute Splines
Single Reduction Ratios        3.90, 4.11, 4.33, 4.56, 4.88, 5.29, 5.57, 6.14, 6.57, 7.17
SDA-2100 Steerable Drive Axle.
Differential Carrier Spiral Bevel
Ring Gear Diameter 16.5 Inch
Pinion Splines 2.00 Inch Diameter, 39 Involute Splines
Single Reduction Ratios 4.11, 4.33, 4.56, 4.88, 5.29, 5.57, 6.14
SDA-2300 Steerable Drive Axle.
Differential Carrier Spiral Bevel
Ring Gear Diameter 18 Inch
Pinion Splines 2.100 Inch Dia., 41 Involute Splines
Single Reduction Ratios 3.55, 3.70, 3.90, 4.11, 4.33, 4.56, 4.88, 5.29, 5.43, 6.17, 6.50, 6.67
Hub Reduction Rigid.
FR2P-20, FR2P-26, FR2P-28, FR2P-32, FR2P-41
Tandum Drive Axles.

FR2P-20 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.63, 4.85, 5.27, 5.54, 6.36, 7.01 and 8.83
Hub Reduction Rigid.
FRDP-10, FRDP-13, FRDP-14, FRDP-16, FRDP-20,
Single Drive Axles:

FRDP-10 Planetary hub reduction rigid drive axle. Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.63, 4.85, 5.27, 5.54, 6.36 and 8.83.
FR2P-26 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.65, 5.56, 6.36, 7.01 Optional Ratios 8.79, 10.55, 12.52
FRDP-28 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.09, 4.29, 4.65, 5.56, 6.36, 7.01, 8.79, 10.55, 12.52
FRDP-13 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.65, 5.56, 6.36, 7.01 Optional Ratios 8.79, 10.55, 12.52
Hub Reduction Rigid.
FR3P-39, FR3P-48,
FR2P-32 Planetary hub reduction rigid drive axle. Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.66, 5.56, 6.36, 7.01 Optional Ratios 8.79, 10.55, 12.52

Tridem Drive Axles.

FR3P-39 Planetary hub reduction rigid drive axle. Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.28, 4.65, 5.56, 6.36, 7.01 Overall Reduction Ratios 8.79, 10.55
FRDP-14 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.09, 4.29, 4.65, 5.56, 6.36, 7.01, 8.79, 10.55, 12.52
FR2P-41 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.65, 5.56, 6.36, 7.01, 8.79, 10.55, 12.52
FRDP-16 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.66, 5.56, 6.36, 7.01 Optional Ratios 8.79, 10.55, 12.52
FR3P-48 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.28, 4.66, 5.56, 6.36, 7.01 Optional Ratios 8.79, 10.55
Low Speed Steerable Drive Axles:
SSDP-12-S, SSDP-12-W, SSDP-18-G

SSDP-12-S Planetary hub reduction. Steerable Drive Axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 7.53, 9.09, 10.55, 12.52, 14.09, 16.57, 17.66, 19.22, 20.78
FRDP-20 Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier. Input Drive Flange 1710 or 1810 Series. Overall Reduction Ratios 4.11, 4.29, 4.65, 5.56, 6.36, 7.01, 8.79, 10.55, 12.52
Fabco Differential.
Fabco Drive Axle.
Fabco Axle.
Model number index.

Steerable Drive Axle
FSD-8A
FSD-10A
FSD-12A
FSD-14A

Steerable Drive Axle
SDA-1800
SDA-2100
SDA-1600
SDA-2300

Hub Reduction Steerable
FSDP-09-S
(Retired)
FSDP-10-S
FS2P-20-S
FSDP-14-G
FS2P-28-G
FS3P-42-G

Hub reduction Rigid
FRDP-10
FR2P-20
FRDP-13
FR2P-26
FR3P-39
FRDP-14
FR2P-28
FRDP-16
FR2P-32
FR3P-48
FRDP-20
FR2P-41
Steerable Non Drive
FSND-08
FSND-12-G

Low Speed Rigid
SRDP-14-S
SRDP-30-S
SRDP-30-W

Low Speed Non Drive Steer
SSND-10-S
SSND-16-G

Low Speed Steerable
SSDP-12-S
SSDP-12-W
SSDP-18-G

SSDP-12-W Planetary hub reduction Steerable Drive Axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 5-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 7.53, 9.09, 10.55, 12.52, 14.09, 16.57, 17.66, 19.22, 20.78
Low Speed Rigid
SRDP-14-S. SRDP-30-S, SRDP-30-W

SRDP-14-S Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 4-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 7.37, 8.39, 8.85, 10.13,11.17, 12.46
SSDP-18-G Planetary hub reduction Steerable Drive Axle.
Differential Carrier. Spiral Bevel Center Differential. Planetary Wheel End Reduction, 5-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 7.53, 9.09, 10.55, 12.52, 14.09, 16.57, 17.66, 19.22, 20.78
SRDP-30-S Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 4-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 8.77, 10.59, 12.28, 14.12, 14.59,16.41, 19.29, 20.57, 22.38, 24.2
SRDP-30-W Planetary hub reduction rigid drive axle.
Differential Carrier. Spiral Bevel Center Differential, Planetary Wheel End Reduction, 4-planet Carrier.
Input Drive Flange 1710 or 1810 Series.
Overall Reduction Ratios 8.77, 10.59, 12.28, 14.12, 14.59,16.41, 19.29, 20.57, 22.38, 24.2