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Home Bentley R-Type Chassis Info
Bentley R-Type Chassis Info
The chassis number for these models is composed of an initial fixed letter "B", followed by a number from 1-600. Finally two letters, the first of which determines the series of the model.
The chassis number can typically be found on the firewall.
Release Date Chassis number Modification Detail introduced at Chassis:
Jun. 52 to Apr. 53
Revised luggage boot, automatic SU carburetors, revised attitude rear springs, revised rear shock damper linkage, two speed windscreen wiper, pop-out cigar lighter, separately housed main fuse, caster angle wedges B2RT
Sep. 52 to Apr. 53 B1RS to B121RS Corrugated bottom water hose connection B68RT
Sep. 52 to May 53 Taper roller bearings on rear axle pinion (except 12/41 axle) B380SR
Jan. 53 to May 53 B1SP to B501SP Front shock dampers B61SP
Parco lubrized tappets B425SP
Taper roller bearings on rear axle pinion 12/41 axle B433SP
Apr. 53 to Sep. 53 6.75 compression ratio cylinder head B93TO
Jun. 53 to Dec. 53 B2TN to B600TN Deletion of non-opposed springs in side steering tube B313TO
All welded frames B349TO
Metal facia, cable operated hot and cold, de-mister and underseat heater B2TN
Hard clay gasket B373TN
Deletion of reduced friction modification on steering connections B390TN
Revised throttle controls for synchromesh gearbox B436TN
Oct. 53 to Dec. 53 Aluminium flywheel housing B35UL
Nov. 53 to May 54 B2UM to B250UM Improved type underseat seat tool tray B66UM
Introduction of B-VI type gearbox tie rod B212UM
Jan. 54 to May 54 Flywheel inertia ring on cars with auto gearbox B236WH
Mar. 54 to Jun. 54 B1WG to B301WG Dynamo type mounting strap onstarter motor B270WH
Thicker 3rd motion shaft thrust washer B89WG
Compensator pipe between front and rear servo B183WG
May 54 to Jul. 54 Strengthened jaws on front brake operating links B60XF
Jun. 54 to Oct. 54 12/41 rear axle (all cars) B1YA
Aug. 54 to Nov. 54 B2YD to B330YD Elimination of chromium-plated servo pressure plate B123YD
Long stroke starter pinion B138YD
Flexibox seal on water pump B246YD
Bentley continental type de-misting B246YD
Oct. 54 to Jan. 55 Improved cold starting device B1ZX
Dec. 54 to Feb. 55 B2ZY to B250ZY 2nd speed start B73ZX
Ferodo washers and drain slots in crankshaft vibration damper B212ZY
Bentley R Type Bundles, Kits & Offers SERVOM6KIT-X
Available
£234.05 £234.05
RH2000KT-X
Unavailable
£703.45 £703.45 RE16387KT-X
Available
£589.95 £589.95
RH2205-X
Available
£460.95 £460.95
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