|
Year |
Month |
Chassis |
Alterations |
Particulars of
Alteration |
|
1932 |
June |
1 630 |
Steering box |
Provision made for
adjusting mesh worm
and worm wheel by
means of an external
screw. |
| |
Oct |
5 800 |
Rear hub bearing and
oil seal |
Leather oil sealing
ring adopted.
Inner race of
journal bearing
increased in width. |
|
|
Sep |
4 186 |
Head- and side lamps |
Larger
dip-and-switch
headlamps fitted
with different
steering column
switch. |
| |
Sep |
4 186 |
Radiator filler cap |
Spring type cap
fitted |
| |
Nov |
7 470 |
Petrol pump |
"Twelve Six" type of
pump fitted. |
| |
Dec |
8 210 |
Frame stiffening |
Stiffening channels
added to inside of
front of each
member. |
|
1933 |
Jan |
¹9 600 |
Petrol Pump and
pipes |
Petrol unions and
pipes of special
design to obviate
leaks. |
| |
March |
13 232 |
Valve cover studs |
Shorter valve cover
studs introduced. |
| |
March |
13 237 |
Swivel axels |
Lubrication of
swivel axel pins
improved by special
grooved bushes and
additional greasers. |
|
|
May |
16 967 |
Change speed lever |
Lower end of lever
increased in
thickness. |
| |
July |
21 000 |
Cross-braced frame |
Cross-braced frame
introduced, minor
changes in brake
controls and
silencer equipment. |
| |
Aug |
21 231 |
Synchromesh gearbox |
Synchromesh for
third and top. |
|
|
Nov |
25 550 |
Petrol tank |
Electric petrol
gauge introduced. |
|
|
Nov |
27 600 |
Van starting handle |
Fixed starting
handle used. |
|
|
Nov |
28 000 |
"V" type
carburettor |
Latest type of
carburettor adopted. |
|
|
Dec |
29 100 |
Swivel arm keys |
Larger keys
introduced. |
|
1934 |
Jan |
31 548 |
Exhaust pipe and
silencer |
Silencer joint
modified. |
|
|
April |
34 830 |
Carburettor for
overseas chassis |
Gauze type air
cleaner fitted. |
| |
May |
¹42
000 |
Petrol pump and
piping |
"T" type A.C. pump
with hand primer
lever introduced. |
| |
June |
41 559 |
Thermostat |
Included in standard
specification. |
|
|
July
|
42 701 |
Propeller shaft |
Needle-bearing type
of Hardy Spicer
universal joint
used. |
| |
Aug |
43 501 |
New program features |
Synchromesh for 2nd
speed. Sloping
radiator cowl.
Foot operated dip
switch. Automatic
direction
indicators, etc. |
| |
Sep |
44 633 |
Rear-axle case air
vent |
Tube type
introduced. |
| |
Sep |
45 809 |
Front brake control |
Cable operated
system adopted |
| |
Oct |
46 000 |
Crown wheel |
Differential case
and crown wheel
bolted together
instead of riveted. |
|
1935 |
Jan |
54 631 |
Valve springs |
Stronger type used |
| |
Feb
|
- |
Radiator filler |
Position changed to
same side as oil
filler. |
| |
March |
62 631 |
Headlamps |
Design modified,
lamps and wiring
self contained. |
| |
June |
68 569 |
Carbon clutch thrust |
Oil less type of
clutch thrust
introduced. |
| |
July |
70 494 |
Shock absorbers |
Luvax hydraulic type
fitted. |
|
|
July |
- |
Crankshaft main
bearings |
Shell type adopted. |
|
|
Aug |
70 900 |
Air strangler
control |
Increased in length. |
| |
Aug |
71 250 |
Bevel pinion
adjusting sleeve |
Material altered
from steel to cast
iron and bearing
area increased. |
|
|
Aug |
71 656 |
Constant mesh gear |
Spiral angle
increased; layshaft
front cover altered
in material and a
spiral oil groove
cut in laygear
bushes. |
|
|
Sep |
72 163 |
Swivel pin bushes |
Rolled sheet bushes
used in place of
bronze tubular
bushes. |
|
|
Sep |
73 258 |
Headlamps |
24 Watt headlamps
superseded by 36
Watt. |
|
|
Sep |
73 412 |
Air cooled dynamo |
New type of dynamo
adopted furnished
with ventilation
ducts and a cooling
fan. |
|
|
Dec |
79 169 |
Electrical earthing
circuit |
Positive pole
earthed. |
|
|
Dec |
80 107 |
Export springs with
metal bushes |
Bushes pegged in
spring eye to
prevent movement. |
|
|
Dec |
80 598 |
Differential shaft |
Shape of keys and
keyways altered. |
|
|
Dec |
81 001 |
Steering unit |
New worm and sector
type of steering
gear. |
|
|
Dec |
81 016 |
Thermostat and
connexions |
Position of
instrument altered. |
|
1936 |
Jan |
82 109 |
Front spring
shackles for export |
Shackles and pins
combined in one
piece. |
|
|
Jan |
82 940 |
Declutching lever
spring |
Stronger springs
fitted. |
|
|
Feb |
83 616 |
Brake drums |
Steel drums
superseded by cast
iron. |
|
|
March |
87 142 |
First and second
speed fork rod |
Modified design. |
|
|
March |
87 147 |
Radiator, support
and cowl |
Alterations to suite
new type bonnet
hinges. |
|
|
March |
87 491 |
Foot operated dip
switch |
Modified design. |
|
|
April |
90 887 |
Bevel pinion
bearings |
Clearance
transferred to
create a pre-loaded
thrust. |
|
|
May |
91 754 |
Rear hub oil seal |
New design of oil
retainer. |
|
|
May |
92 151 |
Brake shoes and
linings |
Steel shoes with
different linings
introduced. |
|
|
July |
97 001 |
New program features |
New Cambridge
saloons with Girling
brakes, etc |
|
1938 |
June |
- |
Engine |
Aluminium cylinder
head fitted. |
| |
June |
- |
Shock absorbers |
Piston type fitted. |
| |
June |
- |
Brakes |
Piston grip
handbrake. |
|
1939 |
May |
- |
New 1940 model
introduced |
New body style.
Combined floor and
chassis and other
improvements. |
|
1941 |
- |
- |
Private car
production ceased |
|
|
1944 |
- |
- |
Private car
production
recommenced |
Improvements
included redesigned
steering, new
transmissions and
timing chain
silencers. |
|
1947 |
Oct |
- |
Austin Ten
superseded by 11 h.p.
A40 model. |
|
| |
|
|
|
|
| |
|
¹Engine Number |
|
|