Technical specifications for the 1958 Power Wagon

Detailed Specifications

• AXLE, FRONT . . . . . . .
  Type . . . . . . . Single-Speed, Full-floating; Hotchkiss Drive with Hypoid Drive Gears
  Capacity . . . . . . . . . . . 3,750 lbs.
  Ratio . . . . . . . . . . . . . . 4.89 or 5.83 to 1
  Ring Gear - Pitch Diameter . . . . . . . 9 5/8"
  Face Width . . . . . . . . . . . . . . . . . . 1 1/2"
  Drive Pinion - Face Width . . . . . . . . 1 3/4"
  Mounting . . . . . . . . . . . . . . . . . . . . Overhung
  Bearings . . . . . . . . . . . . . . . . . .2 Adjustable Tapered Roller
  Differential - Bearings . . . . . . . . . 2 Adjustable Tapered Roller
  No. of Pinions . . . . . . . . . . . . . . . . . . . . 4
  Wheel bearings, per wheel . . . . . 2 Adjustable Tapered Roller
  Steering Knuckle Flange Bearings -
  Upper . . . . . . . . . . . . . . . . Leaded Gun Metal Casting
  Lower . . . . . . . . . . . . . . . . Adjustable Tapered Roller
  Axle Shafts Material . . . . Carbon Molybdenum Steel, Shot Peened
  Outer Axle Shafts - Diameter at Center . . . 1 1/4"
  Inner Axle Shafts - Diameter at Center . . . .1 5/16"
  . . . . . . . . . . . . . . Diameter at Splines . . .1.37"
  . . . . . . . . . . . . . . Number of Splines . . . . 16
  Housing Type . . . . . . . . . Welded Steel Banjo
  . . . . . .Type of Vent . . . .Spring loaded
  Lubricant Capacity . . . . . . . . . 6 pints
• AXLE, REAR . . . . . . . . . . .
  Type . . . . . . . . . . . . . Single-Speed, Full-floating; Hotchkiss Drive with Hypoid Drive Gears
  Capacity . . . . . . . . . . . 6,500 lbs.
  Ratio . . . . . . . . . . . . . . 4.89 or 5.83 to 1
  Ring Gear - Pitch Diameter . . . . . . . 9 5/8"
  Face Width . . . . . . . . . . . . . . . . . . 1 1/2"
  Drive Pinion - Face Width . . . . . . . . 1 3/4"
  Mounting . . . . . . . . . . . . . . . . . . . . Overhung
  Bearings . . . . . . . . . . . . . . . . . .2 Adjustable Tapered Roller
  Differential - Bearings . . . . . . . . . 2 Adjustable Tapered Roller
  No. of Pinions . . . . . . . . . . . . . . . . . . . . 4
  Wheel bearings, per wheel . . . . . 2 Adjustable Tapered Roller
  Axle Shafts Material . . . . Carbon Molybdenum Steel, Shot Peened
  Outer Axle Shafts - Diameter at Center . . . 1 1/4"
  . . . . . . . . . . . . . . Diameter at Splines . . .1.37"
  . . . . . . . . . . . . . . Number of Splines . . . . 16
  Housing Type . . . . . . . . . One Piece Welded Steel Tubing
  . . . . . .Type of Vent . . . .Spring loaded
  Lubricant Capacity . . . . . . . . . 6 pints
  Total Gear Reductions (Final Drive Ratios)

	4.89:1	4.89:2	5.83:1	5.83:2
	Axle Ratio	Axle Ratio	Axle Ratio	Axle Ratio
Transmission	Transfer Case Ratio	Transfer Case Ratio	Transfer Case Ratio	Transfer Case Ratio
Gear	1.00:1	1.96:1	1.00:1	1.96:1
4th	4.89	9.58	5.83	11.4
3rd	8.26	16.19	9.85	19.3
2nd	15.11	29.62	18.01	35.3
1st	31.30	61.33	37.31	73.1
Reverse	38.24	74.93	45.59	89.4

• BRAKES, PARKING Type . . . . . . . . . . . . . . . . .External contracting
  Location . . . . . . . . . . . . . . Rear of transfer case
  Drum Diameter and Lining Width. . . . . 7 13/16" x 2"
  Brake Lining - Type . . . . . . 1/4" - Woven Asbestos
  . . . . . . . . . . Area . . . . . . 48 sq. in.
• BRAKES, SERVICE . . . . . . . . . Hydraulic Internal Expanding
  Drum Diameter and Lining Width . . . . . . 14 1/8" x 1 3/4"
  Brake Lining - Type . . . . 1/4" - Cyclebond - Tapered and Molded
  Total lining area . . . . . . . 215.18 sq. in.
  Brake Drums - Material . . . Composite with Cast Iron Braking Surfaces
  Master Cylinder Bore . . . . . 1 1/4"
  . . . .Mounting . . . .Engine Rear Support, Left Side
  Wheel Cylinders - No. per wheel . . . . . . 1
  . . . Type . . . . . . . . . . . . . . Double Acting Stepped - Diameter
  . . . Bore . . . . . . . . . . . . . . 1 1/4" x 1 3/8"
  Vacuum Booster - (Extra Equipment)
  . . . Type . . . . . . . Vacuum, Suspended Diaphragm Hydraulically Actuated Control Valve
  . . . Diameter . . . . 7 1/2"
• BUMPER - FRONT
  Type . . . . . . . . . . . . . . . Truck-Type Channel Bolted directly to Ends of Frame Side Rails
  Finish . . . . . . . . . . . . . . Black Enamel
  Length and Width . . . . . . 65 3/8" x 8 3/8"
• CLUTCH Type; Disc-Diameter. . . . . . . . . . Dry, Single-Plate; 10"
  Frictional Area . . . . . . . . . . . . . . 100.53 sq. in.
  Facings-Type . . . . . . . . . . . . . . . Molded Woven Asbestos
  . . . . . . Diameters . . . . . . . . . . . O.D. 10"; I.D. 6"
  . . . . . . Thickness . . . . . . . . . . . 0.125"
  Torsion Springs . . . . . . . . . . . . . 6
  Pressure Springs . . . . . . . . . . . . 9
  Engaged Pressure . . . . . . . . . . . 1,505 lbs.
  Breakaway Torque . . . . . . . . . . . 306 lbs.-ft.
  Release Levers . . . . . . . . . . . . . 3
  Release Bearing . . . . . . . . . . . . Pre-lubricated Ball
  Pilot Bearing . . . . . . . . . . . . . . . Oilite Bronze
• ENGINE . . . . . . . . . . . Dodge Truck - T137
  Type . . . . . . . . . . . . . . . . .. . . . 6-cylinder, L - Head
  Piston Displacement . . . . . . . . . . . . 230.2 cu. in.
  Bore and Stroke . . . . . . . . . . . .3 1/4" x 4 5/8"
  Taxable Horsepower Rating . . . . 25.35
  Compression Ratio . . . . . .. . . 7.25 to 1
  Block Material . . . . . . . . . . . . Cast Iron
  With carb. and sandwich type governor (Standard)
  Max. Gross HP, @ RPM . . . . 103 @ 3600
  Net HP, @ RPM . . . . . . . . . . .91 @ 3600
  Net Horsepower @ Gov. RPM. . 90 @ 3200
  Max. Gross Torque - lb. - ft. @RPM . .191 @ 1200
  Max. Net Torque - lb. - ft. @RPM . . . .183 @ 1200
  With carb. and integral velocity type governor, used in
  conjunction with mechanical governor (Extra Equipment)
  Max. Gross HP, @ RPM . . . . 99 @ 3600
  Net HP, @ RPM . . . . . . . . . . .87 @ 3600
  Net Horsepower @ Gov. RPM. . 86 @ 3200
  Max. Gross Torque - lb. - ft. @RPM . .191 @ 1200
  Max. Net Torque - lb. - ft. @RPM . . . .181 @ 1200
  Engine Mountings. . . . . .Front-Floating Power Type
  . . . . . . . . . . . . . . . . . . .Rear- Rubber
  Weight with Clutch, Transmission
  . . . . . . .and accessories, dry . . . . . . 740 lbs.
• Crankshaft
  Type and Material . . Drop Forged, High-Carbon Steel
  Balanced . . . . . . . . Statically and Dynamically
  Counterweights . . . . 7, Integral with Crankshaft
  Bearing Journals . . . .Superfinished
  Weight . . . . . . . . . . . 75 1/2 lbs.
• Crankshaft Main Bearings
  No. and Type . . . . . . . . . 4 - Replaceable Precision Type
  Material . . . . . . . . . . . . . Babbitt on Steel Back
  Diameter and Length, No. 1 . . . . . . 2 1/2" x 1.1725"
  . . . . . . . . . . . . . . . . Nos, 2 and 3 . . 2 1/2" x 1.031"
  . . . . . . . . . . . . . . . . No. 4. . . . . . . . 2 1/2" x 1.590"
  Total Length . . . . . . . . . . . . . . . . . . 4.825"
  Total Area . . . . . . . . . . . .Surface - 37.896 sq. in.
  . . . . . . . . . . . . . . . . . . . .Projected - 12.062 sq. in.
  Crankshaft end thrust taken by rear main bearing.
• Connecting Rods
  Type . . . . . . . . . . . . . . . .Drop-Forged I=Beam Section
  Material . . . . . . . . . . . . . High Manganese Steel
• Connecting Rod Lower Bearings
  Type . . . . . . . . . . . . . . . .Replaceable Precision Type
  Material . . . . . . . . . . . . . Babbitt on Steel Back
  Diameter and Length - each . . . . . 2 1/16" x 1"
  Total Area . . . . . . . . . . . .Surface - 38.877 sq. in.
  . . . . . . . . . . . . . . . . . . . .Projected - 12.375 sq. in.
  Lubrication . . . . . . . . . . . Pressure
• Pistons
  Material . . . . . . . . . . . . . Aluminum Alloy
  Surface Coating . . . . . . . Tin - Plated
  Type . . . . . . . . . . . . . . . U-Slot, Cam-ground
• Piston Rings
  No. per Piston . . . . . . . . . 4
  Type per Piston . . . . 2 Compression, 2 Oil Control
  Location . . . . . . . . . Above Piston Ring
  Surface Coating . . . .Top Ring Chrome Plated
  Width, Compression Rings - 3/32"; Oil Control Rings - 5/32"
• Piston Pins
  Type . . . . . . . . . . . Floating
  Material and Finish...High Manganese Steel
  ..............................Hardened and Superfinished
  Diameter and Length......55/64" x 2 3/4"
  Wall Thickness..............0.140"
  Total projected bearing area - in Piston...1.246 sq. in.
  ...........................................in Rod.......0.962 sq. in.
• Camshaft
  Material . . . . . . . . . . Cast Iron
  Type of Drive...............Silent Chain
• Camshaft Bearings
  Material - Nos. 1, 2, and 3 . . . . . . . . . . . . . Steel Backed Babbitt
  .............- No. 4..........................................Polished Cast Iron
  Diameter and Length - No. 1 .......................2" x 1 3/32"
  .................................No. 2 .......................1 31/32" x 3/4"
  .................................No. 3 .......................1 15/16" x 3/4"
  .................................No. 4 .......................1 1/4" x 1 1/4"
  Total Area ............................Surface - 21.90 sq. in.
  ............................................Projected - 7.045 sq. in.
• Valves
  Location ...............................Cylinder Block - Right Side
  Material - Intake ....................Nickel-Chrome Steel
  ..............Exhaust..................Silicon-Chrome Steel
  Length and Stem Diameter......4 27/32 x 0.3405"
  Seat Angle ............................45 degrees
  Head Diameter......Intake - 1 17/32": Exhaust - 1 13/32"
  Port Diameter........Intake - 1 13/32": Exhaust - 1 9/32"
  Exhaust Valve Seat Inserts............Special Alloy
  Valve Stem Guides........................Removable Type
  Valve Tappets.............Mushroom type with Self-Locking Adjusting Screws
  Valve Tappet Guides.......Integral with Cylinder Block
• Cooling System
  Capacity...........................17 quarts
  Water Pump - type ...........centrifugal, with 2 - Blade
  ........Impeller and Permanent Bellows-type Seal
  Type of Bearings................Oilite Bronze
  Type of Drive......................Fan Belt
  Radiator Core - type...........Fin and tube
  .....Frontal Area and Thickness.....395.06 sq. in.: 3"
  .....Filler Location.........................Outside in Center
  Water Jackets..............................Full Length
  Exhaust Valve Seat Cooling...........Pressure Spray Through
  ......Removable Water Distributing Tube
  Circulation Control.........................Permanent By-pass Type
  Thermostat...................................Choke Type
  Fan - Type....................................4-Blade, 18" Diameter
  .........Location..................Mounted on Hub at End of Water Pump Shaft .........Type of Drive ...........Endless "V" Belt
  Engine Heat Indicator.........On Instrument Panel
• Electrical System
  Battery................. 6-volt, 15-plate, 100 Amp. Hr.
  ..........Location .............Under Hood, Left Side
  ..........Terminal Grounded........... Positive
  Distributor- Type........Single Breaker, Centrifugal Automatic Advance
  ............Location.....................Left Side of Engine
  ............Firing Order.................1-5-3-6-2-4
  Ignition Coil- Location.......Left Side of Engine
  Ignition Switch.................Three Position Type
  ..................Right Position - Ignition and accessories On:
  ..................Center Position - Ignition and accessories Off:
  ..................Left Position - Ignition Off: Accessories On: Ignition Off.
  Spark Plug - Size....................14mm
  Generator - Type................Shunt Wound, Air Cooled
  ............Capacity - Standard...............6 volt, 45 Ampere
  ............Capacity - Extra Equipment....6 volt, 35 Ampere
  ............Type of Drive.............Fan Belt
  Current and Voltage Regulator...........Three unit Type, Mounted on Dash
  Starting Motor - Type of Bearings...........Oilite
  ........................Type of Drive.........Single reduction, Two stage positive shift
  ........................Drive Ratio.............16.22:1
  Horn - Type and Location...........Single electric: On engine
  Head Lights - Type................Sealed Beam .......Location........................On front fenders
  .......Switch Location.............On instrument panel
  .......Overload Protection........Circuit breaker
  .......Beam Shift....................To right
  .......Beam Switch Location....On left side of toe board
  .......Beam Shift Indicator.......Above speedometer
  Parking Lights -- Location......On cowl
  Tail Lights - Type...Combination tail and stop light
  Stop Light Switch..................In Brake master cylinder
  Instrument Panel Lights - Type..........Indirect
  ...................Switch.........................On instrument Panel
  Ammeter Location...........................On instrument Panel
• Fuel and Exhaust System
  Carburetor . . . . . . . . . . . Plain tube, downdraft
  .......Nominal Size............1 1/2"
  .......Jet Adjustments........Idle Only
  .......Accelerating Pump....3 - position Seasonal adjustment type
  .......Governor..................Standard Type, set at 3200 RPM
  Extra Equipment....Used with mechanical governor for rear drive shaft assembly
  .......Type ..........................Plain tube downdraft
  .......Nominal Size..............1 1/2"
  .......Jet Adjustments..........Idle only
  .......Accelerating Pump......Vacuum-operated
  .......Governor.....................Integral velocity type, set at 3200 R.P.M.
  Air-Cleaner - Type..............Oil-bath
  .......Oil capacity................1 quart
  Fuel Pump.........................Mechanical diaphragm type
  Fuel Pump Heat Shield.......Yes
  Fuel Filters.........................2 Used - Screen type integral with pump and ceramic type at carburetor
  Fuel Tank...........................18 Gallons capacity, mounted at rear of frame, right side
  Fuel Tank Filler...................Right rear of body
  Fuel Gauge.........................Magnetic, on instrument panel
  Manifold Heat Control...........Manually adjustable type
  Muffler................................Straight through type
• Lubrication System
  Type.........................Pressure through drilled passages to main, lower connecting rod
  ................................and camshaft bearings. Direct oil lead to camshaft drive chain and sprockets.
  Oil Pump..................Rotary type with oilite rotors
  Controlled Oil Pressure....40 lbs. at 800 engine R.P.M.
  Oil Filler Pipe Location....Left side of engine
  Oil Intake.......................Floating screen type
  Oil Filter - Standard........Sealed type
  ................Extra Equipment.....Replaceable element type
  Oil Pressure Gauge........On instrument panel
  Oil capacity....................6 qts. with filter; 5 qts. without filter
  Crankcase Ventilation.....Sealed positive type
• FRAME . . . . . . . . . Double drop
  Crossmembers - Including Front Bumper.......5
  Side Rail - Max. Depth and Flange Width. . . . .6 3/32" x 2 3/64"
  .............Thickness......................11/64"
  .............Reinforcement................Inside channel type
  Section Modulus with Reinforcement . . . . . . . . . . . . 4.516
• PROPELLER SHAFT
  Type and Diameter................Tubular, 2 1/2"
  Length -
  .............Transfer case to front axle...........33 5/8"
  .............Transfer case to rear axle............47 1/8"
  .............Transmission to transfer case......9 5/8"
• SHOCK ABSORBERS
  Type. . . . . . . . . . . . . .Telescopic Double-acting, 1 3/8" piston diameter
• SPRINGS, FRONT
  Type and material..Semi - elliptic, chrome alloy steel
  Length and Width..........39" x 1 3/4"
  Nominal Capacity per Spring - Std...........1,150 Lbs.
  ............................................Extra.........1,600 Lbs.
  Number of Leaves - Std............................8
  .............................Optional.....................11
  Deflection Rate (lbs. per in.) - Std..............435
  ...........................................Optional.......614
  Shackles - Type.....................Pin and bushing
  Location................................At front of spring
• SPRINGS, REAR
  Type and material..Semi - elliptic, chrome alloy steel
  Length and Width..........52 1/4" x 1 3/4"
  Nominal Capacity per Spring - Std...........2,500 Lbs.
  ............................................Extra.........3,000 Lbs.
  Number of Leaves - 2,500 lb. spring..........12
  .............................3,000 lb. spring..........14
  Deflection Rate (lbs. per in.) .2,500 lb. spring........504
  ............................................3,000 lb. spring.......606
  Shackles - Type.....................Pin and bushing
  Location................................At front of spring
• STEERING
  Gear Type and Ratio . . . . . Worm & Sector, 23.2:1
  Wheel Diameter . . . . . . . . . . . . 18 in.
  Linkage..............................Aft type
  Tie-rod - Type ...................Ball and Socket (Solid)
  .............Diameter..............1 5/16"
  Drag - Link Type................Ball and Socket
  .................Diameter.........1"
  ..........Wall Thickness.......5/32"
  Turning Diameters - Right and Left........55 feet
• TRANSMISSION
  Type . . . . . . . . . . . . . . Spur gear
  Number of Speeds.........4 forward, 1 reverse
  Ratios.....................4th - 1.00; 3rd - 1.69; 2nd - 3.09; 1st - 6.40; Rev. - 7.82
  Input Torque Capacity......216 ft-lbs.
  Lubricant Capacity...........6 pints
  Bearings, Mainshaft Pilot.............1 roller
  ..............Mainshaft Drive Pinion....1 Ball
  ..............Mainshaft Rear..............1 Ball
  ..............Countershaft..................2 Needle Roller
  ..............Reverse Idler..................Bronze Bushing
  Power Take-Off Opening -
  ..............Type..............SAE Standard, 6 - Stud
  ..............Location.........Both sides of transmission
  Power Take-Off Gear - No. of teeth..........36
  Pitch.....................................................7
  Pressure angle of teeth........................22 1/2 deg.
  Direction of Rotation -
  ..............Right Side...................Enginewise
  ..............Left Side.....................Counter-Enginewise
  ..............Gear Speed...........395 R.P.M. @1000 engine R.P.M.
  ..............Pitch Line to Face Opening.........1.05"
  .............Face of Gear to c/l of Opening.......13/32"
• TRANSFER CASE
  Number of Speeds.....................2
  Lubricant Capacity.....................5 pints
  Bearings, Drive Gear Shaft..........1 Set , loose rollers, 1 ball bearing
  ...............Drive Gear..................2 Sets looos rollers
  ..............Driven Shaft Front........1 Set , loose rollers, 1 ball bearing
  ..............Driven Shafts - Rear - Two Shafts......2 tapered roller each
  ..............Idler Shaft...................2 Tapered roller Ratios......................................1 to 1 and 1.96 to 1
• UNIVERSAL JOINTS
  Type ........................Cross and trunion
  Bearings...................4 Cageless rollers per joint
• WHEELS AND TIRES
  Tread, Front and Rear
  .............5.50 Rim.......................64 3/4"
  .............6.50 Rim.......................64 3/4"
  Wheels.....................................5 Stud ventilated disc
  Rims.........................................Semi-drop center
  Spare Tire Carrier....Off the Body for Express Models; Off the Frame for all Chassis-Cab Models

AUXILIARY EQUIPMENT

• DRAW BAR
  Mounted on.....................Rear Crossmember
  Adjustable for...............Height and Off-center Towing
• FRONT TOW HOOKS
  Mounted on..................Front of Frame
• MECHANICAL GOVERNOR
  Mounted on......Right Front Corner of Cylinder Head
  Driven by..........Belt from pully on water pump shaft Speed Setting Control - Location.......Under Right side of instrument panel
  Speed Range.......................1000-1700 Engine R.P.M.
• PINTLE HOOK
  Non-Adjustable, Mounted on Frame Rear Crossmember.
  .....Note: Pintle hiik cannot be used on vehicles with Tail Shaft Drive
• POWER TAKE-OFF
  Mounted On.................Left Side of transmission
  Drive Taken From..........Transmission countershaft
  Power Outlets..............2; 1 - Front, 1 - Rear
  Direction of Rotation.......Reversable
  Controlled By.................Lever inside cab
  Speed 61 1/2% Enginewise; 47 1/2% Counter-Enginewise
• POWER WINCH
  Type and Capacity.................Worm and Drum; 10,000 lbs.
  Mounted on...........................Frame, front of radiator
  Worm Thrust Bearings...........2 Tapered rollers
  Drive Shaft - Type..................Solid
  ..................Dia. and Length...........1 1/8"
  Universal Joints - Number and Type.....................2 Cross and trunion with roller bearings
  Cable - Type, Diameter and Length...........................Steel, 7/16" x 250'
  Lubricant Capacity...............................1 quart
• REAR PULLEY DRIVE
  Pulley - Diameter and Width...............9" x 6 5/8"
  Goverened Belt Speed (ASAE Std.)......3100 Ft. per min.
  Gears - Type and Ratio......................Spiral Bevel; 1 to 1.87
• TAIL SHAFT DRIVE
  Driving Members.............2 Tubular drive shafts and 1 Pillow block shaft
  Universal Joints - Number and Type.............3 cross and trunion with roller bearings
  Pillow Block Shaft Bearings.................2 Tapered rollers
  Pillow Block Shaft - Spline Size...........1 3/8 - 6 SAE Std.
  Goverened Speed - Standard............536 R.P.M. (ASAE Std.)
  Developed HP...............................35 at 1700 Engine R.P.M.
  Pillow Block Mounted on Frame Rear Crossmember

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