1948 HUDSON

Model Designations:

Hudson Super Six, Series 481, 6 Cylinder

Hudson Super Eight, Series 483, 8 Cylinder

Hudson Commodore Six, Series 482, 6 Cylinder

Hudson Commodore Eight, Series 484, 8 Cylinder

Hudson Super Six, Series 481, 6 Cylinder, Body Styles

4 Door Sedan, 6 Passenger

Base Price: $2,222; Shipping Weight: 3,500 Pounds

2 Door Brougham, 6 Passenger

Base Price: $2,172; Shipping Weight: 3,470 Pounds

2 Door Club Coupe, 6 Passenger

Base Price: $2,199; Shipping Weight: 3,480 Pounds

2 Door Coupe, 3 Passenger

Base Price: $2,069; Shipping Weight: 3,460 Pounds

2 Door Brougham Convertible, 6 Passenger

Base Price: $2,836; Shipping Weight: 3,750 Pounds

Production figures by model are not available.

Super Six Production Total: 49,388 of which 86 were Convertibles.

Hudson Super Eight, Series 483, 8 Cylinder, Body Styles

4 Door Sedan, 6 Passenger

Base Price: $2,343; Shipping Weight: 3,535 Pounds

2 Door Club Coupe, 6 Passenger

Base Price: $2,320; Shipping Weight: 3,495 Pounds

Production figures by model are not available.

Super Eight Production Total: 5,338

Hudson Commodore Six, Series 482, 6 Cylinder Body Styles

4 Door Sedan, 6 Passenger

Base Price: $2,399; Shipping Weight: 3,540 Pounds

2 Door Club Coupe, 6 Passenger

Base Price: $2,374; Shipping Weight: 3,550 Pounds

2 Door Brougham Convertible, 6 Passenger

Base Price: $3,057; Shipping Weight: 3,780 Pound

Production figures by model are not available.

Commodore Six Production Total: 27,159 of which 49 were Convertibles.

Hudson Commodore Eight, Series 484, 8 Cylinder Body Styles:

4 Door Sedan, 6 Passenger

Base Price: $2,514; Shipping Weight: 3,600 Pounds

2 Door Club Coupe, 6 Passenger

Base Price: $2,490; Shipping Weight: 3,570 Pounds

2 Door Brougham Convertible, 6 Passenger

Base Price: $3,138; Shipping Weight: 3,800 Pound

Production figures by model are not available.

Commodore Eight Production Total: 35,318, including 365 Convertibles

1948 HUDSON

General Specifications

Hudson Super Six, Series 481 & Commodore Six, Series 483

Wheelbase: 124"

Engine Type: Inline 6, L-Head

Bore & Stroke: 3-9/16" X 4-3/8"

Engine Displacement: 262.0 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 30.40

Horsepower: 121 @ 4,000 RPM

Torque: 200 Ft. Lbs. @ 1,600 RPM

Normal Oil Pressure: 40 PSI

Rear Axle Ratio: 4.1:1; Optional: 4-5/9:1 (Standard with Overdrive) or 4.3:1

Carburetor: 2 Barrel Carter WDO, #647S .

Tire Size: 7.10 x 15 inches; Inflation Pressure, Front 24, Rear, 24

Hudson Super Eight, Series 482 & Commodore Eight, Series 484

Wheelbase: 124 Inches

Engine Type: Inline 8, L-Head

Bore & Stroke: 3" X 4-1/2"

Engine Displacement: 254.5 Cu. In.

Compresssion Ratio: 6.50 to 1;

Taxable Horsepower: 28.80

Horsepower: 128 @ 4,200 RPM

Torque: 198 Ft. Lbs. @ 1,600 RPM

Normal Oil Pressure: 4 to 12 PSI

Rear Axle Ratio: 4.1:1; Optional: 4-5/9:1 (Standard with Overdrive) or 4.3:1

Carburetor: 2 Barrel Carter Model WDO, 647S .

Tire Size: 7.10 x 15 inches; Inflation Pressure, Front 24, Rear, 24

Tune Up Specifications, 6 Cylinder Models:

Spark Plug Type:

Cast Iron Head: Champion J-9 or Equivalent

Aluminum Head: Champion H-10 or Equivalent

Spark Plug: Gap .032"

Point Gap: .020"

Firing Order: 1-5-3-6-2-4

Ignition Timing: UDC Mark 1-6 on Flywheel

Engine Idle Speed: 600 RPM

Tappet Clearance, Hot: Intake .010", Exhaust .012",

Cylinder Head Torque: 70 Ft Lbs

Compression Pressure @ Cranking Speed: 100 PSI

Tune Up Specifications, 8 Cylinder Models:

Spark Plug Type:

Cast Iron Head: Champion J-9 or Equivalent

Aluminum Head: Champion H-10 or Equivalent

Spark Plug: Gap .032"

Point Gap: .017"

Firing Order: 1-6-2-5-8-3-7-4

Ignition Timing: UDC Mark 1-8 on Flywheel

Engine Idle Speed: 600 RPM

Tappet Clearance, Hot: Intake .006", Exhaust .008"

Cylinder Head Torque: 45 Ft Lbs

Compression Pressure @ Cranking Speed: 100 PSI

6 Cylinder Engine

Tappet Clearance, Running Hot: Intake: .010", Exhaust: .012"

Clearance for Timing: Intake: .010"; Exhaust: .012"

Valve Timing: Intake Opens 7.5 Degrees Before Top Dead Center

Exhaust Closes 7.5 Degrees After Top Dead Center

Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,

Valve Spring Pressure: 77 Lbs @ 2-3/16 inches (New Springs)

Valve Stem Clearance: Intake .0015"-.003"

Exhaust .002"-.004"

8 Cylinder Engine

Tappet Clearance, Running Hot: Intake .006"; Exhaust .008"

Clearance for Timing: Intake: .010"; Exhaust: .010"

Valve Timing: Intake Opens 10.5 Degrees Before Top Dead Center

Exhaust Closes 18.7 degrees After Top Dead Center

Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,

Valve Spring Pressure: 40 Lbs @ 2 inches (New Springs)

Valve Stem Clearance: Intake .0015"-.003"

Exhaust .003"-.005"

Piston & Ring Data, 6 Cylinder

Piston Removal: Above

Piston Clearance (Minimum):

Top Land Inch .016"

Top of Skirt, Inch: .0015"

Fitting Pistons with Spring Scale:

Shim Thickness: .0015"

Pounds Pull on Scale: 3 to 4

Width of Ring End Gap (Minimum):

Compression Ring: .007"

Oil Ring: .007"

Clearance Between Ring & Grooves:

Compression Ring: .0015"-.002"

Oil Control Ring: .001"-.0015"

Wrist Pin Diameter: .9684"-.9687"

Piston & Ring Data, 8 Cylinder

Piston Removal: Above or Below

Piston Clearance (Minimum):

Top Land Inch .016"

Top of Skirt, Inch: .0015"

Fitting Pistons with Spring Scale:

Shim Thickness: .0015"

Pounds Pull on Scale: 3 to 4

Width of Ring End Gap (Minimum):

Compression Ring: .004"

Oil Ring: .004"

Clearance Between Ring & Grooves:

Compression Ring: .0015"-.002"

Oil Control Ring: .001"-.0015"

Wrist Pin Diameter: .7497"-.750"

Engine Bearing Data, 6 Cylinder

Camshaft End Play: .001"-.003"

Camshaft Bearing Clearance: .002"-.0035

Rod Journal Diameter: 2.1244"-2.1254"

Rod Bearing Clearance: .0005"-.0015"

Rod End Play: .007"-.013"

Rod Bolt Tension: 45 Lbs. Ft.

Main Bearing Journal Diameter: 2.4995"

Main Bearing Clearance: .0005" -.0015"

Crankshaft End Play: .003"-.009"

Main Bolt Tension: 75 Lbs. Ft.

Engine Bearing Data, 8 Cylinder

Camshaft End Play: .001"-.003"

Camshaft Bearing Clearance: .002"-.0035

Rod Journal Diameter: 1.935"- 1.936"

Rod Bearing Clearance: .0003"-.0006"

Rod End Play: .007"-.013"

Rod Bolt Tension: 45 Lbs. Ft.

Main Bearing Journal Diameter:

Front: 2.279" - 2.280"; #2: 2.311"-2.312"; #3: 2.341"-2.342";

#4: 2.373"-2.374"; Rear: 2.404"-2.405"

Main Bearing Clearance: .0007" -.001"

Crankshaft End Play: .006"-.012"

Main Bolt Tension: 75 Lbs. Ft.

Capacities, 6 Cylinder

Cooling System:

Without Heater: 17 Quarts

With Heater: 18 Quarts

Fuel Tank: 20 Gallons

Engine Oil Refill: 7 Quarts;

Grade of Oil: Above +32F 30;

Above +10F 20;

Above -10F 20W

Manual Transmission: 2 Pints, With Overdrive: 3-1/4 Pints

Grade of Oil: Summer 90EP, Winter 80EP

Rear Axle: 3-1/2 Pints

Grade of Oil: Summer 90HY, Winter 90HY

Capacities, 8 Cylinder

Cooling System:

Without Heater: 18 Quarts

With Heater: 19 Quarts

Fuel Tank: 20 Gallons;

Engine Oil Refill: 7 Quarts;

Grade of Oil: Above +32F 30;

Above +10F 20;

Above -10F 20W

Manual Transmission: 2 Pints , With Overdrive: 3-1/4 Pints

Grade of Oil: Summer 90EP, Winter 80EP

Rear Axle: 3-1/2 Pints

Grade of Oil: Summer 90HY, Winter 90HY

Auto-Lite Distributor Specifications, 6 Cylinder:

Distributor #1GS-4213-1

Rotation: Clockwise

Cam Angle: 39 Degrees

Breaker Point Opening: .020"

Condenser Capacity: .25-.28 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 1 Degree @ 540 RPM

Full Advance: 12 Degrees @ 2,000 RPM

Vacuum Advance Data:

Advance Starts: 1 Degree @ 13-1/4" Vacuum

Full Advance: 4 Degrees @ 15-1/2" Vacuum

Auto-Lite Distributor Specifications, 8 Cylinder

Distributor #1GT-4204A-1

Rotation: Clockwise

Cam Angle: 27 Degrees

Breaker Point Opening: .017"

Condenser Capacity: .20-.25 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 1 Degree @ 330 RPM

Full Advance: 17-1/2 Degrees @ 1,700 RPM

Vacuum Advance Data:

Advance Starts: 1 Degree @ 10" Vacuum

Full Advance: 8-1/2 Degrees @ 14" Vacuum

Auto-Lite Generator Specifications:

Generator #GDS-4801A

Direction of Rotation: Clockwise

Generator Output: 33 Amperes

Brush Spring Tension: 35-53 Ounces (Maximum)

Field Current at 6 Volts: 1.3 to 1.5 Amperes

Regulator #VRR-4001A

Cutout Relay:

Voltage to Close Points: 6.5 Volts

Reverse Current to Open Points: 4 to 6 Amperes

Armature Air Gap: .031"

Voltage Regulator Setting: 7.5 Volts

Current Regulator Setting: None

Current & Voltage Armature Air Gap: .048"

Ground Polarity: Positive

Auto-Lite Starting Motor Specifications:

Unit #: MCL-6006

Rotation: Clockwise

Brush Spring Tension: 42-53 Ounces

No Load Test:

65 Amperes; 5.0 Volts; @ 4,900 RPM

Torque Test:

410 Amperes; 2.0 Volts; Torque 8.0 Ft Lbs

Carter Carburetor Specifications:

Carburetor Model: WD0

Part # 647S-SA

Float Level: 3/16"

Idle Screw Setting, Turns Open: 1-1/4 to 1-3/4

Pump Adjustment Using Gauge T109-117S: 18

Metering Rod Gauge: T109-113

Fast Idle Setting: .054"

Unloader Setting: 1/4"

Automatic Choke Setting: 1 Lean

Carburetor Model: WD0

Part # 648S

Float Level: 13/64"

Idle Screw Setting, Turns Open: 1 to 1-1/2

Pump Adjustment Using Gauge T109-117S: 14

Metering Rod Gauge: T109-113

Fast Idle Setting: .054"

Unloader Setting: 1/4"

Automatic Choke Setting: Index

Fuel Pump Data:

Pump Model: AJ

Maximum Pressure: 3-1/2 PSI

Pump Model: AH

Maximum Pressure: 4-1/2 PSI

Dash Gauge Manufacturers:

Gasoline: King Seeley

Temperature: King Seeley

Oil Pressure: -

Ammeter: -

Brake Specifications, 6& 8 Cylinder:

Lining Dimensions/Wheel in Inches:

Length: 21"

Width:

Front: 2-1/4"

Rear: 1-3/4"

Thickness: 11/64"

Brake Shoe Clearance: .010"

Wheel Cylinder Bore:

Front: 1-1/8"

Rear: 1"

Master Cylinder Bore: 1"

Wheel Alignment Specifications, All Series

Caster: +1 Degree

Camber: +1 Degree

Toe In; 0 to 1/16"

Toe-Out on Turns:

Outer Wheel: 25 Degrees

Inner Wheel: 30 Degrees

Kingpin Angle: 3-3/5 Degrees

Rear Axle Data

Ring Gear & Pinion Backlash: .001"-.004:

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: Shims

Axle Shaft End Play: .002"-.004"

Dash Gauge Manufacturers:

Gasoline: King Seeley

Temperature: King Seeley

Oil Pressure: -

Ammeter: -

Beginning Engine Numbers:

6 Cylinder, Series 481: 481101

6 Cylinder, Series 482: 482101

8 Cylinder, Series 483: 483101

8 Cylinder, Series 484: 484101

Beginning Serial Numbers:

Series 481: 481101

Series 482: 482101

Series 483: 483101

Series 484: 484101

Popular Options

Front Fender Ornament (Supers), Red or Cream Wheel Covers, Front Bumper Guard (Supers), Convertible Rear Window Glass, Weather Control Heater, Radio, Foam Rubber Front Seat Backs, Turn Signals, Commodore Steering Wheel on Supers, Wheel Trim Rings, Power Windows (Super 6 Convertibles), Large Hub Caps, Electric Clock on Supers, Leather Trim, Aluminum Cylinder Head (6 & 8Cylinder), Vacumotive Drive, Drive-Master including Vacumotive Drive, Oil Bath Air Cleaner, Overdrive, Vacuum Booster Pump.

1948 Hudson Historical Data

1948 Hudson Model Year Introduction was in December, 1947.

Total 1948 Hudson Production was 117,200.

.Promotional Model Cars Produced:

Metal: 4 Door Sedan

Plastic: 4 Door Sedan with Lift Off Body Showing Step-Down Design

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