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Please click here to see our shaft technical data
We designed and built the test rig mentioned above to allow us to twist shafts until they failed to get a definitive measure of the elasticity and ultimate strength. The rig consists of a steel box section frame which holds a 3000 PSI hydraulic power pack, pressure gauge, 100mm diameter ram, 75mm duplex chain and a large diameter sprocket. This sprocket is bolted to a drive flange and another drive flange is bolted to the frame, the shaft is fitted between the 2 drive flanges and when a valve is opened the ram pulls the chain which in turn twists the shaft.
A photo of the testing:
A video of the test rig in action:
We are interested in 3 things :
1) torque applied, this is calculated as we know the oil pressure applied to the ram from the gauge, we know the ram piston diameter and we know the sprocket radius, from this we can calculate the torque applied.
2) total twist, we have a simple ‘clicker’ which clicks on each tooth of the sprocket as it turns, we know how many teeth are on the sprocket so we know how many degrees each ‘click’ is.
3) Elasticity, i.e. how much the shaft springs back once failed, worked out from a line drawn on the shaft before the test, total twist – twist when line aligned on failed shaft.
By plotting the pressure at each click we can plot a graph of torque on the vertical axis versus elongation/twist on the horizontal axis.
The graphs below show the results of the testing we have done on the front and rear landrover halfshafts:
Please note we do not supply 10/32 or 24/32 spline halfshafts. By replacing the 32 spline CV with a 23 spline CV we can use the stronger 24/23 shaft.
If you are trying to identify your existing shafts the measurements of our shafts may assist:
|Thick Flange Rear Shafts (OSR)||700mm||967mm|
|Thin Flange Rear Shafts (NSR)||684mm||950mm|
This picture may also assist you in identifying your shaft:
It can get a little confusing working out what parts are required for your vehicle so the following is a guide to cover most applications, scroll down to the vehicle you have, down to the year/engine type then to front or rear to see standard spec and upgrades available. Please see our application guide below to assist you:
|VEHICLE SPECIFICATION||CV JOINT||FRONT SHAFT||REAR SHAFT||DRIVE FLANGE (FRONT)||DRIVE FLANGE (REAR)|
|– Up to Turbo Diesel – circa 1989 see note 1||CVE||Front Shafts||Early Rear||5806||5806|
|– 200 tdi see note 1||To KA 930455 – see note 6||CVE||Front Shafts||Early Rear||5806||5806|
|From LA 930456||CVL||Front Shafts||Late Rear||859||859|
|– 300 tdi||CVL/CVABS||Front Shafts||Late Rear||859||859|
|-Td5/2.4 Tdci see note 5||CVL/CVABS||Front Shafts||Late Rear||859||859|
|– Up to Turbo Diesel – circa 1989 see note 1||CVE||Front Shafts||Salisbury Early||5806||5806|
|– 200 tdi see note 1||To KA 930455 – see note 6||CVE||Front Shafts||Salisbury Early||5806||5806|
|From LA 930456||CVL||Front Shafts||Salisbury Late||859||859|
|– 300 tdi see note 2 & 5||CVL||Front Shafts||Salisbury Late||859||859|
|– Td5 see note 5||To 2A638164 (Salisbury axle)||CVL/CVABS||Front Shafts||Salisbury Late||859||859|
|From 2A638165 (Wolfe/P38 axle)||CVL/CVABS||Front Shafts||Late Rear||859||859|
|– Puma see note 2 & 5||CVL/CVABS||Front Shafts||Late Rear||859||859|
|– Without ABS (up to VIN JA032850) see note 1 & 3||CVE||Front Shafts||Early Rear||5806/M||5806/M|
|– Without ABS (from VIN JA032851) see note 1 & 2||CVL||Front Shafts||Late Rear||859||859|
|– With ABS see note 1 & 2||CVABS||Front Shafts||Late Rear||859||859|
|Front kit includes CV joints/halfshafts/boots/clips||DISCO II FRONT KIT||DII REAR||Not applicable||Not applicable|
|RANGE ROVER CLASSIC|
|VIN CA – JA624755 Non ABS, see note 1 & 3||CVE||Front Shafts||Early Rear||5806/M||5806/M|
|VIN KA 624756 onwards, Non ABS, see note 1||CVL||Front Shafts||Late Rear||859||859|
|Vehicles with ABS – see note 7||CVABS||Front Shafts||Late Rear||859||859|
|RANGE ROVER P38||Unable to supply||Unable to supply||Unable to supply||Unable to supply||Unable to supply|
|Note 1||If replacing standard stock 10 spline you will also require some form of 24 spline diff centre|
|Note 2||Our CV joints can only be fitted with our or other 23 spline shafts. If your rear shafts have integral flanges it will be necessary for you to fit ours (or others) flanges.|
|Note 3||To fit our CV joints you will need to purchase Modified Stub Axles (part no. Mod Stubs) & you will need our 5806/M to fit|
|Note 4||The standard shafts shafts have intergral flanges and it will be necessary for you to fit our modified flanges|
|Note 5||The CV joint ABS style can only be fitted with our range of shafts|
|Note 6||If you have a 32 spline at the CV end of the shaft you will have to also fit our front shafts.|
|Note 7||You will also require 2 x FTC5268 oil seal.|