Specifications

CROWN WHEEL
4.1:1 Crown Wheel and
Pinion, suitable for off-
road use where high ratio
(low speed)
manouevrability is
required. Replaces
standard set version on
fine spine axles. May need
spacer ring for other
applications.
BA 5700 – Crown Wheel
to order – contact official stockists www.bearmach.com
accessories
43
DEFENDER
LAND ROVER
Parts and Accessories suitable for All Land Rovers from BEARMACH Ltd
A.R.B. AIR LOCKER DIFFS
A manually lockable differential which is
operated at the driver’s discretion by the
push of a button. Locking and unlocking of
the ‘diff’ is extremely rapid and can be
achieved at any vehicle speed.
Installation involves bolt in replacement of
the original equipment differential
centre, an air compressor and
in-vehicle switch. Can be fitted
to both front and rear axles
without compromising on-road
performance.
BA 205 To suit Rover
Differential. 10 spline*
BA 205A To suit Rover Differential. 24 spline*
BA 204 To suit Defender 110 Rear (Rover axle). 2002 on
BA 206 To suit Defender 110 Rear (Salisbury axle). up to 2002
* Please specify spline type when ordering.
NOTE: All A.R.B. Diff Lockers require compressor which is available
separately, order ref: – BA 215
S
PECIAL PERFORMANCE EQUIPMENT
– AXLE & STEERING
DETROIT DIFF LOCKER
The Detroit Locker is a fully
automatic locking traction differential
that is well known for premium
performance and dependable
operation. Preload devices between
the side gears deliver 100% torque
and power to both drive wheels yet
unlock automatically to permit
necessary wheel speed differentiation.
The Detroit Locker is trouble-free as
it does not require service adjustments
or special lubricants. Easy to install,
no special tools or case modifications required. One year Limited Warranty.
BA 207 To suit Rover Differential. 10 spline, Locker (inc Carrier)*
BA 207A To suit Rover Differential. 24 spline, Locker (inc Carrier)*
BA 208 To suit Salisbury Differential. No Spin, replaces Sun gears*
* Please specify spline type when ordering.
DETROIT TRUE TRAC
This unit features a gear-type limited
slip design (no clutch or friction plates
to wear out). Its positive gear action
automatically splits the torque with
none of the steering problems
associated with other traction ‘diffs’.
Power transfer is so smooth that it is
unnoticeable through the steering
wheel when fitted in front drive
steering axles.It performs as a
standard differential on normal
highway driving – then automatically engages when needed in wet, muddy or
icy conditions.
Truetrac Diff Locker
BA 209 to suit Rover Differential (10 spline – Rear)
BA 209F to suit Rover Differential (10 spline – Front)
BA 209A to suit Rover Differential (24 spline – Rear)
BA 209AF to suit Rover Differential (24 spline – Front)
DIFF LOCK SPACER RING
Required to allow fitment of above Diff Locks on vehicles with a 4:7:1 ratio
diffs. Includes extended bolts. To suit relevant vehicles and Defender 110
02MY on (rear).
BA 205S Spacer Ring
HEAVY DUTY DRIVING MEMBERS
Heavy duty driving members with screw on dust cap. Direct replacement for
original member with superior material specification, and longer splines.
FTC859A – Heavy Duty Driving Member to suit Defender, Disco and RR
Classic
BR 0465A – Heavy Duty Driving Member to suit Defender only
HEAVY DUTY HALF SHAFTS
Defender front half shafts use a 24/23 spline shaft and can only be used with
the Original CV joint to 1989 model. For later models it is either necessary
to retro fit the earlier joint, and change the hub assembly, or to use a special
CV joint for the conversion.
Rear shafts require the use of Heavy duty driving members BR 0465A (Pre
1989) or FTC859A (After 1989).
Heavy duty half shafts
BA 5752 Def 90/110 (upto 89) Front LH 23/24 Spline
BA 5753 Def 90/110 (upto 89) Front RH 23/24 Spline
BA 5758 Def 90 Rear LH
BA 5759 Def 90 Rear RH
axle & steering