Vintage Models Print
TECHNICAL SPECIFICATION OF CRICKLEWOOD BENTLEYS 1919 - 1932
 
.FOUR CYLINDER MODELS
3 & 4¼ Litre
SIX CYLINDER MODELS
6½, 8 & 4 Litre
CHASSISLadder frame- pressed steelLadder frame- pressed steel
BRAKES400mm Drums (rear only up to 1923)400mm Drums
REAR AXLESemi-floating underslungSpiral bevel
SUSPENSIONSemi-elliptic leaf spring - friction shock-absorbers Same (4 Litre hydraulic rear dampers)
GEAR BOX4 Speed & reverse4 Speed & reverse
CLUTCHInverted cone Single plate (later 10.75'' Single plate)
WHEELS21" Rudge-Whitworth wire centre lockSame (4 Litre Rudge - Whitworth wire center lock)
STEERINGWorm & Wheel Worm & sector
RADIATORGerman silver shellGerman silver shell
ENGINENon-detachable headSame (4 Litre detachable head)
.Crank & Camshafts in 5 main bearings each 8 main bearings (4 Litre had 7)
.Bevel drive to overhead camshaft Triple connecting rod drive (4 Litre over head inlet, side exhaust)
.Four valves per cylinder Same (4 Litre 2 per cylinder)
.Aluminium alloy pistonsAluminium alloy pistons
IGNITIONTwin ML magnetos, twin spark plug per cylinder Same, changing to 1 magneto & 1 coil (4 Ltr single Bosch Coil)
 
3 Litre 
3 Litre
1922-25Short Standard
1922-24TT Replica
1924-29Speed Model
ChassisWheelbase 9'9½", overall length 13'3"
Engine82bhp (80mm x 149mm)
Max SpeedShort Standard 80mph
LabelTT Replica & Speed Model 90mph
Blue - Red on Speed Model
1923-29Long Standard
1925-27Light Tourer
ChassisWheelbase 10'10", Overall length 14'4½"
Light Tourer
Wheelbase 9'9½", Overall length 13'3"
Engine72bhp (80mm x 149mm)
Max Speed75mph
LabelBlue
  
1925-27Supersports Model
ChassisWheelbase 9', Overall length 12'6½"
Engine85bhp (80mm x 149mm)
Max Speed100mph
LabelGreen
 
1922-26Team Cars
Chassis9'9½", one 9'0"
Engine88bhp (80mm x 149mm)
Max Speed95-100mph (Brooklands lap record 112mph)
 
6½ Litre 
6 1/2 Litre
1925-30Standard Chassis
ChassisWheelbase 11', o/a 15'1"
Wheelbase 12'1¼", o/a 16'1"
Wheelbase 12'7¼", o/a 16'7"
Engine100x140mm, 6597cc - 147bhp
Max Speed85mph
  
1928-30Speed Model
ChassisWheelbase 11'8½", o/a 15'7"
Wheelbase 12'8½", o/a 16'7"
Engine180bhp (100 x 140mm - 6597cc)
Max Speed92mph
1929-30Team Cars
ChassisWheelbase 11', o/a 15'1"
Engine200bhp
Max Speed120mph
  
 
4½ Litre 
4 1/2 Litre
1927-31 
ChassisWheelbase 10'10", Overall length 14'3½"
Nine on 9'9½", Overall length 13'3"
Engine100x140mm, 4398cc - 110bhp
Max Speed92mph
LabelBlack
 
4½ Litre Supercharged
4 1/2 Litre Supercharged
1929-31 
SuperchargerAmherst Villiers MK IV Rootes Type
Boost 9½ lbs at 3500 rpm, 10lbs at 3900 rpm
Engine175bhp (100 x 140mm - 4398cc)
Max Speed105mph
LabelBlack
1929-30Team Cars
Max Speed120mph
8 Litre 
8 Litre
1930-32 
ChassisWheelbase 12', o/a 16'9¼"
Wheelbase 13', o/a 17'9¼"
Rear axleHypoid bevel final drive
BrakesMechanical servo assisted
Engine110x140mm, 7983cc - 220bhp
Max Speed104mph
4 Litre 

4 Litre

1931-32 
ChassisWheelbase 11'2", o/a 15'10¾"
Wheelbase 11'8", o/a 16'4¾"
EngineDetachable Head
2 valves per cylinder
Over head inlet, side exhaust pushrod operated
85x115mm, 3915cc - 120bhp
IgnitionSingle coil, single plug per cylinder
Max Speed80mph
Production Figures 
3 Litre (1922 - 29)1,622
4½ Litre (1927 - 31)665
6½ Litre (1925 - 30) 545
8 Litre (1930 - 32) 100
4½ Litre s/c (1929 - 31) 55
4 Litre (1931 - 32)50