| GENERAL SPECIFICATIONS AND DATA | |||||||
| CANADIAN MILITARY PATTERN VEHICLES (CHEVROLET) | |||||||
|
MODEL
|
C-8A | C-15 | C-15A | C-30 | C-60S | C-60L | C-GT |
|
SERIES (G.M.)
|
8448
8445 |
8421 | 8444 | 8441 | 8442 | 8443 | 8440 |
|
Wheelbase
|
101' | 101" | 101" | 134" | 134" | 158" | 101" |
|
Driving
Wheels
|
4 | 2 | 4 | 4 | 4 | 4 | 4 |
| BRAKES | |||||||
|
Type
|
Hydraulic | ||||||
|
Booster
Actuated
|
No | No | No | No | yes | Yes | Yes |
|
Pedal
Clearance (Toe Board)
|
1/4" to 1/2" | ||||||
|
Hand
Brake Location
|
Rear Wheels | Rear Wheels | Rear Wheels | Propellor Shaft | Propellor Shaft | Propellor Shaft | Propellor Shaft |
|
Master
Cylinder Mounting
|
Right Hand Frame Side Rail | ||||||
|
Master
Cylinder Size
|
1 1/4" | ||||||
|
Fluid
Level
|
Check Every 500 Miles | ||||||
|
Brake
Fluid
|
Use only Fluid Obtained from Army Stores | ||||||
|
Front
Wheel Cylinder Size
|
1 3/8" | 1 1/4" | 1 3/8" | 1 3/8" | 1 3/8" | 1 3/8" | 1 3/8" |
|
Rear
Wheel Cylinder Size
|
1 1/2" | 1 3/8" | 1 1/2" | 1 1/2" | 1 1/2" | 1 1/2" | 1 1/2" |
| FRONT AXLE | |||||||
|
Track
- Front (inches)
|
62 1/8 | 67 | 70 | 70 | 70 1/2 | 70 1/2 | 70 1/2 |
|
Camber
(degrees)
|
3/4 | 1 +/- 1/2 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
|
Caster
(degrees)
|
1 1/2 to 2 | 2 3/4 +/- 1/2 | 1 1/2 to 2 | 1 1/2 to 2 | 1 1/2 to 2 | 1 1/2 to 2 | 1 1/2 to 2 |
|
Toe-in
|
0 | 1/16" to 1/8" | 0 | 0 | 0 | 0 | 0 |
|
Turning
Radius
|
26 1/2 | 19 1/2 | 23 1/4 | 30 1/2 | 30 1/2 | 35 | 23 1/4 |
| STEERING | |||||||
|
Type
|
Recirculating Ball | ||||||
|
Ratio
|
23.6 to 1 | ||||||
| REAR AXLE | |||||||
|
Track
- Rear (inches)
|
62 1/8 | 64 | 70 1/2 | 70 1/2 | 69 | 69 | 69 |
|
Ratio
|
6.16 to 1 | 6.16 to 1 | 6.5 to 1 | 7.16 to 1 | 7.16 to 1 | 7.16 to 1 | 7.16 to 1 |
|
Drive
|
Spiral Bevel | Hypoid | Spiral Bevel | Spiral Bevel | Spiral Bevel | Spiral Bevel | Spiral Bevel |
|
Make
|
Clark | G.M. | G.M. | G.M. | G.M. | G.M. | G.M. |
|
Gear
to Pinion Backlash
|
.008" to .012" | .005" to .008" | .008" to .010" | .008" to .010" | .008" to .010" | .008" to .010" | .008" to .010" |
|
Gear
Run Out (Maximum)
|
.005" | .005" | .005" | .005" | .005" | .005" | .005" |
|
Case
Run Out (Maximum)
|
.003" | .002" | .002" | .002" | .002" | .002" | .002" |
|
Clearance
Between -
|
|||||||
|
Pinion
and Spider
|
.003" to .007" | .004" to .008" | .003" to .007" | .003" to .007" | .003" to .007" | .003" to .007" | .003" to .007" |
|
Side
Gear and Case
|
.005" to .009" | .002" to .006" | .005" to .009" | .005" to .009" | .005" to .009" | .005" to .009" | .005" to .009" |
| SPRINGS AND SHOCK ABSORBERS | |||||||
|
Springs
- No. of Leaves - Front
|
9 | 8 | 10 | 10 | 10 | 10 | 10 |
|
Rear
|
8 | 8 | 12 | 12 | 18 with Aux. | 18 with Aux. | 12 |
|
Width
of Leaves - Front
|
1 3/4" | 2" | 2" | 2" | 2" | 2" | 2" |
|
Rear
|
2.240" | 2.470" | 2.447" | 2.447" | 2.447" | 2.447" | 2.447" |
|
Spring
Seat length - Front
|
5" | 5 1/4" | 6 3/8" | 6 3/8" | 6 3/8" | 6 3/8" | 6 3/8" |
|
Rear
|
5 5/16" | 6 1/8" | 6" | 6" | 6" | 6" | 6" |
|
Center
to Center of Eyes - Front
|
36 1/16" | 40" | 40" | 40" | 40" | 40" | 40" |
|
Rear
|
45" | 45" | 50" | 50" | 50" | 50" | 50" |
|
Center
of Front Eye to Seat - Front
|
18 7/8" | 20 3/8" | 20" | 20" | 20" | 20" | 20" |
|
Rear
|
22 1/2" | 22 1/2" | 25" | 25" | 25" | 25" | 25" |
|
Shock
Absorbers
|
Delco | ||||||
|
Type
|
Piston | ||||||
|
Action
|
Double Acting | ||||||
| ENGINE | |||||||
|
Type
|
Valve in Head | ||||||
|
No.
of Cylinders
|
6 | ||||||
|
Bore
- Inches
|
3 1/2 | ||||||
|
Stroke
- Inches
|
3 3/4 | ||||||
|
Piston
Displacement - Cu. In.
|
216.5 | ||||||
|
Compression
Ratio
|
6.5:1 | ||||||
|
Horse
Power - S.A.E.
|
29.4 | ||||||
|
Max.
Brake Horse Power
|
85 at 3400 r.p.m. | ||||||
|
Max.
Engine Torque
|
170 ft. lbs. At 1200 r.p.m. | ||||||
|
Firing
Order
|
1-5-3-6-2-4 | ||||||
|
Valve
Seat Angle
|
30 degrees | ||||||
| ENGINE ADJUSTMENTS | |||||||
|
Intake
Valve Clearance (Hot)
|
.012" | ||||||
|
Exhaust
Valve Clearance (Hot)
|
.020" | ||||||
|
Distributor
Point Opening
|
.018" | ||||||
|
Spark
Plug Type
|
A.C. 44 14mm. | ||||||
|
Spark
Plug Gap
|
.040" | ||||||
|
Carburetor
Idle Adjustment
|
1 to 2 turns open | ||||||
| CLUTCH | |||||||
|
Type
|
Single Dry Disk | ||||||
|
Diameter
|
10 3/4" | ||||||
|
Clutch
Pedal Lash
|
1" | ||||||
| TRANSMISSION | |||||||
|
Forward
Speed
|
4 | ||||||
|
Reverse
Speed
|
1 | ||||||
|
Clearance
Between -
|
|||||||
|
Main
Shaft and Sling Gear
|
.0035" to .0065" | ||||||
|
Reverse
Shaft and Bushing
|
.0025" to .0045" | ||||||
|
Shift
Fork and Gear
|
.009" to .019" | ||||||
|
Countershaft
End Thrust
|
.012" to .017" | ||||||
| TRANSFER CASE | |||||||
|
Single
Speed with Front Axle Declutch
|
Yes | Yes | |||||
|
Double
Speed, Front Axle
Declutch, Power Take-off |
Yes | Yes | Yes | Yes | |||
|
Single
Speed Gear Ratio
|
1 to 1 | 1 to 1 | |||||
|
Double
Speed - Low Speed
|
1.87 to 1 | 1.87 to 1 | 1.87 to 1 | 1.87 to 1 | |||
|
-
High Speed
|
1 to 1 | 1 to 1 | 1 to 1 | 1 to 1 | |||
|
Gears
|
Helical | Helical | Spur | Spur | Spur | Spur | |
| ELECTRICAL SYSTEM | |||||||
|
Generator
- Type
|
Current and Voltage Regulated | ||||||
|
Voltage
Setting (Hot)
|
7.2 - 7.4 V. | ||||||
|
Current
Setting (Hot)
|
32 - 34 Amp. | ||||||
|
Current
and Voltage Regulator Model No.
|
1118201 | ||||||
|
Starting
Motor
|
6 Volt Mechanical Shift | ||||||
| BATTERY | |||||||
|
Battery
Model
|
6 VN-15-G | ||||||
|
No.
of Plates
|
15 | ||||||
|
Capacity
|
100 at 20 hour rate | ||||||
|
Voltage
|
6 | ||||||
|
Terminal
Grounded
|
Negative | ||||||
|
Hydrometer
Reading -
Fully Charged |
1.275 to 1.399 at 80 deg F. | ||||||
|
Half
Charged
|
1.225 | ||||||
|
Dangerously
Low
|
1.150 | ||||||
|
Electric
Current Protection
|
Current Limit Relay | ||||||
| LAMP BULBS | |||||||
|
Mazda No.
|
|||||||
|
Headlamp
|
3666 | ||||||
|
Instrument
Lights
|
55 | ||||||
|
Tail
Lamps
|
63 | ||||||
|
Side
Lamps
|
63 | ||||||
|
Stop
Lamps
|
63 | ||||||
|
Axle
Lamp
|
63 | ||||||
|
Inspection
Lamp
|
1129 | ||||||
|
Beam
Indicator
|
51 | ||||||
| LAMP BULBS | |||||||
|
Candle Power
|
|||||||
|
Headlamp
|
36/6 W | ||||||
|
Instrument
Lights
|
1 1/2 | ||||||
|
Tail
Lamps
|
3 | ||||||
|
Side
Lamps
|
3 | ||||||
|
Stop
Lamps
|
3 | ||||||
|
Axle
Lamp
|
3 | ||||||
|
Inspection
Lamp
|
21 | ||||||
|
Beam
Indicator
|
1 | ||||||
| CAPACITIES | |||||||
|
Crankcase
(Fill)
|
5 1/4 Qts. | ||||||
|
Crankcase
(Refill)
|
5 Qts. | ||||||
|
Transmission
|
4 3/4 Pts. | ||||||
|
Transfer
case (with Power
Take-off add 1/2 Pt.) |
3-1/3 Pts. | 3-1/3 Pts | 2 Pts. | 2 Pts. | 2 Pts. | 2 Pts. | |
|
Winch
|
6 Pts. | 6 Pts. | 6 Pts. | 6 Pts. | |||
|
Rear
Axle
|
7 1/2 Pts. | 9 1/4 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. |
|
Front
Axle
|
7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | 7 1/2 Pts. | |
|
Cooling
System
|
13 Qts. | ||||||
|
Steering
Gear
|
1 1/4 Lbs. | ||||||
|
Oil
Bath Air Cleaner
|
1 Qt. | ||||||
|
Rear
Wheel Bearings
|
2 Lbs. | ||||||
|
Front
Axle "U" Joints
|
4 1/2 Lbs. | - | 4 1/2 Lbs. | 4 1/2 Lbs. | 4 1/2 Lbs. | 4 1/2 Lbs. | 4 1/2 Lbs. |
|
Fuel
Tanks (Each Tank)
|
12 1/2 Gals. | 12 1/2 Gals. | 12 1/2 Gals. | 12 1/2 Gals. | 12 1/2 Gals. | 12 1/2 Gals. | 20 Gals. |
| WEIGHTS AND MEASUREMENTS | |||||||
|
Maximum
Gross Rating
|
7,250 | 11,200 | 8,500 | 11,200 | 15,700 | 15,700 | 12,600 |
|
Chassis
and Cab (Curb Weight)
|
4,805 | 5,485 | 5,920 | 6,503 | 6,658 | ||
|
Chassis,
Cab and Body (Curb Weight)
|
5,750 | 9,733 | |||||
|
Overall
Height (Less Body)
|
86 3/4 | 81 3/4 | 86 1/8 | 87 3/8 | 89 5/8 | 89 5/8 | 96 |
|
Overall
Length
|
156 3/4" | 166" | 166" | 199" | 199" | 223" | 176" |
|
Overall
Width at Front Fenders
|
75 3/8" | 82 13/16" | 82 13/16" | 82 13/16" | 82 13/16" | 82 13/16" | 82 13/16" |
|
Overall
Width at Rear Tires
(Outside of Tires) |
71 3/8" | 76 3/8" | 76 3/8" | 81 1/16" | 81 1/16" | 79 3/8" | 79 3/8" |
|
Clearance
Under Front Axle
|
9-15/16" | 11-3/32" | 8 3/4" | 9 1/8" | 11 1/8" | 11 1/8" | 11 5/8" |
|
Clearance
Under Rear Axle
|
9-15/16" | 9-5/16" | 8 3/4" | 9 1/8" | 11 1/8" | 11 1/8" | 11 5/8" |
|
Lowest
Point Under Centre of Chassis
|
14" | 16 1/2' | 18" | 17 1/2" | 20" | 20 1/2" | 20 3/4" |
| TIRE PRESSURE CHART | |||||||
|
Model Designation
|
C-8A | C-15 | C-15A | C-30 | C-60S | C-60L | C-GT |
|
Tire
Size
|
9.25x16 | 9.00x16 | 9.00x16 | 10.50x16 | 10.50x20 | 10.50x20 | 10.50x20 |
| Weight Distribution (upon which specified tire pressures are based - per axle) | |||||||
|
Front
|
3600 | 3070 | 3470 | 4649 | 5418 | 6068 | 4536 |
|
Rear
|
3650 | 4500 | 5010 | 6892 | 9928 | 9642 | 7448 |
| R.F. TIRES | |||||||
| Cross Country (18% Deflection) | |||||||
|
Front
|
19 | 10 | 10 | 12 | 14 | 20 | 10 |
|
Rear
|
19 | 16 | 24 | 30 | 50 | 48 | 34 |
| Hard Roads (Canada) (13 1/2% Deflection) | |||||||
|
Front
|
35 | 20 | 30 | 24 | 27 | 32 | 20 |
|
Rear
|
35 | 28 | 39 | 44 | 69 | 63 | 49 |
| PNEUMATIC TIRES | |||||||
| Cross Country (18% Deflection) | |||||||
|
Front
|
15 | 16 | 23 | 24 | 28 | 18 | |
|
Rear
|
27 | 32 | 37 | 52 | 50 | 37 | |
| Hard Roads (Canada) (13 1/2% Deflection) | |||||||
|
Front
|
35 | 35 | 35 | 35 | 35 | 35 | |
|
Rear
|
49 | 57 | 51 | 76 | 73 | 48 | |
|
|
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| Copyright © Geoff Winnington-Ball, 1999-2000 All Rights Reserved | |||||||