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Selected Dodge Power Wagon Specifications - Continued
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Page 1 Engine
Page 3 Axles, Brakes, Steering Gear
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Page 2 Carburetion, Exhaust, Transmissions
Page 4 Wheels, Springs & Frame Dimensions
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Driven Front Axle
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Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . .
Capacity (Lbs) . . . . . . . . . . . . . . . . . . .
Caster No Load . . . . . . . . . . . . . . . . . .
Camber . . . . . . . . . . . . . . . . . . . . . . . .
King Pin Inclination . . . . . . . . . . . . . . . .
Toe-In (At Hub Height) . . . . . . . . . . . .
Ratios . . . . . . . . . . . . . . . . . . . . . . . . .
Clearance to Bushing . . . . . . . . . . . . . .
Turning Angle . . . . . . . . . . . . . . . . . . . .
Lubrication Capacity (Pts.) . . . . . . . . . .
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Hypoid
Dana 44F
3000 W2-3500
3°
1½°
7½°
0 - 1/16"
4.09, 4.89
.0005 to .005
29°
4
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Hypoid
Dana 70F
4500
3½°
1½°
8°
0 - 1/16"
4.88, 5.87
.0005 to .005
29°
6
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Hypoid
Chrysler F-375
3750
½°
1½°
8°
0 - 1/16"
5.83
.0005 to .005
30°
6
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Hypoid
Rockwell FDS750
7500
2½°
3/4°
8°
0 - 1/16"
6.8
.0005 to .005
29°
7
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Non-Driven Front Axle
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Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . .
Capacity (Lbs) . . . . . . . . . . . . . . . . . . .
Camber . . . . . . . . . . . . . . . . . . . . . . . .
King Pin Inclination . . . . . . . . . . . . . . .
Turning Angle (Base Tire) left & right. . .
King Pin (Diameter inches) . . . . . . . . . .
Toe-In (At Hub Height) . . . . . . . . . . . .
Clearance to Bushing . . . . . . . . . . . . . .
Capacity Lbs . . . . . . . . . . . . . . . . . . . .
Caster Loaded . . . . . . . . . . . . . . . . . . .
No Load . . . . . . . . . . . . . . . . . .
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Reverse Elliot
Chrysler FA 25
2500
1½°
4°
37° 37°
.872
.0005 to .0025
0 - 1/16"
2500
3½ to 4°
1½ to 2½°
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Reverse Elliot
Chrysler FA 28
2800
1½°
4°
37° 37°
.872
.0005 to .0025
0 - 1/16"
2800
3 3/4°
1½°
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Elliot
Chrysler FA 38
3800
2°
7°
39° 39°
.936
.002
0 - 1/16"
3800
3°
1½°
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Elliot
Chrysler FA 50
5000
2°
7°
37° 39°
1.12
.002
0 - 1/16"
5000
2°
½° to 2°
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Caster varies with front and rear spring loads (frame slope) and therefore should
be checked when the vehicle is loaded. If caster cannot be checked when vehicle is
loaded, the no load caster is approximately 1 to 2° for manual and 5 to 6° for power.
If vehicle wanders caster should be increased. If steering effort is very high,
especially when taking corners, caster should be decreased.
While this data is listed in the Dodge truck service manual only for the non-driven
front axles, I include it here for its potential in trouble shooting steering
issues on trucks with driven front axles, especially those that have suffered excessive
lift.
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Rear Axle
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Type . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacity . . . . . . . . . . . . . . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . .
Number of Differential Pinions . . . . . . . .
Drive Gear Pitch Diameter. . . . . . . . . . .
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number of Teeth, Drive Gear . . . . . . .
Pinion . . . . . . . . . . .
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number of Teeth, Drive Gear . . . . . . .
Pinion . . . . . . . . . . .
Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . .
Number of Teeth, Drive Gear . . . . . . .
Pinion . . . . . . . . . . .
Lubricant Capacity (Pints) . . . . . . . . . . .
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Semi Floating
Hypoid
3600
Chry. RA36
2
8.75
3.91 : 1 1
43
12
4.56 : 1
44
9
3.58 : 1
43
12
33/4
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Full Floating
Hypoid
W100-4500
Others 5500
Spicer 60
2
9.75
4.1 : 1 1
41
10
4.88 : 1
39
8
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5½
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Full Floating
Hypoid
6500
Chrysler R65
4
9.625
5.83 : 1
35
6
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6
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Full Floating
Hypoid
7500
Spicer 70
4
10.5
4.88 : 1 1
39
8
5.87 : 1 2
47
8
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6
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Full Floating
Hypoid
15000
F147
4
13.25
6.20 : 1
31
5
6.80 : 1
34
5
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16
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Full Floating
Hypoid
17000
H141
4
14.25
6.80 : 1
34
5
7.20 : 1
36
5
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20
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1
2
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Anti-Slip
Differential available except on vehicles with Express and Dual Wheels.
(Check out my
Torsen).
Not available with Dual Wheels.
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Service Brakes
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Type - Front. . . . . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . . . . . .
Size - Front. . . . . . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . . . . . .
Attaching Method - Front. . . . . . . . . . . .
Rear . . . . . . . . . . . .
Thickness - Front. . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . .
Arc per Piece - Front. . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . .
Master Cylinder (Bore Diameter) . . . . . .
Wheel Cylinder (Bore Dia.) - Front . . . .
Rear . . . .
Pedal Free Travel . . . . . . . . . . . . . . . . .
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Duo-Servo
Duo-Servo
11 x 21/4
11 x 2
Bonded
Bonded
0.175-0.230
0.175-0.230
111-124°
111-124°
1.00
1.125
0.937
1/4-3/8"
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Duo-Servo
Duo-Servo
121/8 x 2
121/8 x 2
Riveted
Riveted
0.238
0.238
124°
124°
1.125
1.125
1.125
1/4-3/8"
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Uni-Servo 1
Duo-Servo
121/8 x 2
13 x 2½
Riveted
Riveted
0.238
0.238
124°
112-123°
1.25
1.125
1.250
1/4-3/8"
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Lockheed 2
Duo-Servo
141/8
x 13/4
13 x 21/2
Bonded
Riveted
0.260
0.238
122°
112-123°
1.25
1.375
1.0
1/4-3/8"
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Lockheed 2
Lockheed 2
141/8
x 13/4
141/8
x 13/4
Bonded
Bonded
0.260
0.260
122°
122°
1.25
1.375/1.25 3
1.375/1.25 3
1/4-3/8"
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Timken
Wagner
151/8
x 21/4
151/8
x 41/2
Riveted
Riveted
0.253
0.505
121-90°
121°
1.50
1.375
1.625 4
1/4-3/8"
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1
2
3
4
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The Uni-Servo brake wheel cylinder has only one piston which applies pressure
directly to only one shoe. That shoe in turn transmits the pressure, via the
adjuster, to the second shoe which is anchored against the blind side of the wheel
cylinder. This compared to the more common Duo-Servo where the wheel cylinder has
two opposed pistons applying force to both shoes against the adjuster joining them
at the end opposite the cylinder.
Lockheed type brake adjustment is obtained by rotating individual eccentric
bolts which replace the more conventional floating adjuster. Correct leading and
trailing shoe adjustment is crucial to satisfactory brake performance. When adjusted
correctly, however, the brakes perform very well.
The WM300 Lockheed type brake wheel cylinders have different bore diameters
fore and aft on each wheel cylinder. Can't remember which is larger and I'm sure as
hell not going to take it apart just to find out for you.
Two wheel cylinder/floating shoe brakes on rear.
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Brake Booster
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Don't have much info to impart on brake boosters at this point. According to the
1965 Chrysler Parts Catalog the D100 was not offered with a booster. The D200 and
W200 used the same booster, and the WM300 and W300 used the same booster. Just to
confuse the issue, however, the 1963 Full Line Specifications states that the WM300
booster has a 71/2 inch diaphragm while all the others
have a 61/8 inch. So...
When I get an opportunity I'll dig through Hollanders and another interchange manual
that I've got to see if I can deduce a little more about the damn things. Meanwhile,
if anybody has additional info, I'd appreciate hearing it.
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Manual Steering Gear
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Front Axle Capacity (Lbs.) . . . . . . . . . .
Model . . . . . . . . . . . . . . . . . . . . . . . . . .
Type . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Ratio . . . . . . . . . . . . . . . . . . . . . . .
Arm Length (In.) . . . . . . . . . . . . . . . . . .
Column Diameter (In.) . . . . . . . . . . . . . .
Steering Wheel Diameter (In.) . . . . . . . .
Worm Bearing Pre-load (inch-pounds)-
Required to keep worm shaft moving. . .
Gear Lash (in-lbs)-Includes worm bear-
ing pre-load & cross shaft gear mesh. . . .
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2500-D100
2800-D200
3000-
W100, W200
3800-D300
3500-W200-
Extra Eq.
525D
Recirculating
Ball
24 to 1
D100, D200-
7.5 in.
W100, W200-
6.34 in.
D300-8.25 in.
1.75 in.
D100, D200-
17 in.
W100, W200,
D300-18 in.
5-9
10-18
Pull Through
Center
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3750
B-60
Worm &
Sector
Long Shaft
23.2 to 1
1.50 in.
17 in.
7-14
20-27
Pull Through
Center
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4500-W300
7000-D500,
D600, D700-
Extra Eq.
7500-W500
Y5D-375
Worm &
Roller
Stub Shaft
24.2 to 1
W300-5.94"
All 7000 Lb.-
8.18 in.
All 7500 Lb.-
7.38 in.
1.75 in.
W300-18 in.
Others-20 in.
7-14
20-27
Pull Through
Center
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4000-D400
5000-D500,
D600, D700
5000-D400-
Extra Eq.
Y4D-335
Worm &
Roller
Stub Shaft
23.2 to 1
All-7.44 in.
1.75 in.
Std.-18 in.
Extra Eq.-20 in.
7-14
20-27
Pull Through
Center
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7500-W500
7000-D700
9000-D700-
Extra Eq.
6D-400
Slim Line
Worm &
Roller
Stub Shaft
34.12-1 W500
30.62-1 D700
W500-7.38 in.
D700-8.08 in.
1.75 in.
20 in.
7-14
20-25
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Page 1 Engine
Page 3 Axles, Brakes, Steering Gear
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Page 2 Carburetion, Exhaust, Transmissions
Page 4 Wheels, Springs & Frame Dimensions
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Last updated 02-25-05
Email: Mechanique@wmol.com
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