Timmco 35 Spline Upgrade for Land Rover Salisbury Rear Axle
By TIMMCO
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ADVANTAGES OF TIMMCO 35 SPLINE UPGRADE
- All TIMMCO axles, spindles and drive flange bolts are manufactured in the USA from USA steel.
- Compatible with stock Defender 110/130 disc brake rear Salisbury brake components.
- If installing on a drum brake Salisbury, this version of the kit provides a complete rear disc brake conversion to late Defender 110/130 setup.
TIMMCO 35 Spline Shafts
- 35 spline axles are 1.500” diameter. Stock Salisbury 24 spline shafts are 1.240”
- 90% stronger than 24 spline chromoly
- 120% stronger than stock Salisbury axles.
TIMMCO 35 15 Bolt Spindle
- TIMMCO 15 bolt flange is FAR less likely to loosen
- Larger chromoly spindle and higher capacity bearing setup is approximately 50% stronger than stock.
- Integrated one piece axle/drive flange eliminates spline wear and backlash issues
- With a TIMMCO 15 bolt flange, each of the 15 bolts carry 1/3 the load compared to the stock 5 bolt pattern
- The 5 bolt setup has proven too weak for more demanding use. Loose/broken bolts are repeated problems with these vehicles.
- Selective fit bearing preload spacer simplifies maintenance, eliminates bearing "creep" and wear on spindle, and increases rigidity, reducing brake pad "knock back" and low brake pedal in more demanding applications
TECHNICAL DESCRIPTION
Spindles: machined from USA sourced 4130 chromoly steel billet, 50MM O.D. bearing surface diameter, for inner and outer bearings, takes Timken 32010X metric tapered roller bearings. Inside pass-thru diameter for axle shaft 1.530"
These spindles are designed to position the late style Defender/D1/RRC wheel hub exactly as the 1994-2002 factory disc brake Salisbury rear axle. This allows full compatibility with factory brake components for late 110/130 rear applications.
Axle shafts: These 1.500" 35 spline 4340 chromoly shafts have an integral forged drive flange (like real trucks) with a 15 (that's right, fifteen) bolt pattern. The factory 5 bolt pattern was a significant downgrade from the old Land Rover Series 6 bolt, and is troublesome..... We fixed that!!
The factory Land Rover wheel hubs this kit is designed for are the 1994-2015 Defender style, also used on 1990-1995 RRC, and 1994-1999 D1. This is the hub the factory used on all the disc brake rear Salisburys. The casting # is HRC1924. We machine these to fit the larger bearings, and drill them for the 15 bolt drive flange pattern.
Again, due to the spindle / hub offset, this kit is compatible with all the rear brake components for the 1994-2002 110 and 130 models, making disc brake conversions to early drum brake Salisbury rear axles a bolt-on affair with stock brake parts. Even the earlier Series III 109 rear Salisburys can be upgraded with this kit, only the LH axle shaft is different length.
If you need bigger than 35 spline axles, for especially demanding applications such as 42”+ tires, we can also provide 40 spline 1.700” shafts and 47 spline 2.000” shafts, and we have HUGE spindles for these.
TIMMCO vs. Salisbury
Check out our comparison of the TIMMCO 35 spline axles to the factory Land Rover Salisbury parts. Read Artcle
About TIMMCO
TIMMCO products are designed and manufactured by renowned Land Rover builder Timm Cooper. With his more than 35 years of experience building custom, high-strength vehicles, Timm has unique insights into the demands placed on off-road vehicle components, as well as decades of designing and manufacturing parts that are more than up to the task of the toughest trails. You will not find stronger, better made components for your vintage or late model Land Rovers.