1937 TERRAPLANE

1937 TERRAPLANE

Model Designations:

Terraplane DeLuxe Six, Series 71, 6 Cylinder

Super Terraplane Six, Series 72, 6 Cylinder

Terraplane DeLuxe Six, Series 71, 6 Cylinder Body Styles

2 Door Coupe, 3 Passenger

Base Price: $595; Shipping Weight: 2,370 Pounds

2 Door Business Coupe, 3 Passenger

Base Price: $605; Shipping Weight: 2,715 Pounds

2 Door Victoria Coupe, 4 Passenger

Base Price: $850; Shipping Weight: 2,765 Pounds

2 Door Convertible Coupe, 3 Passenger

Base Price: $725; Shipping Weight: 2,765 Pounds

2 Door Convertible Brougham, 6 Passenger

Base Price: $800; Shipping Weight: 2,780 Pounds

2 Door Brougham, 6 Passenger

Base Price: $825; Shipping Weight: 2,830 Pounds

4 Door Sedan, 6 Passenger

Base Price: $675; Shipping Weight: 2,865 Pounds

4 Door Trunk Sedan, 6 Passenger

Base Price: $695; Shipping Weight: 2,865 Pounds

2 Door Trunk Brougham, 6 Passenger

Base Price: $645; Shipping Weight: 2,830 Pounds

Production Totals by Body Style are not available.

Super Terraplane Six, Series 72, 6 Cylinder Body Styles

2 Door Coupe, 3 Passenger

Base Price: $880; Shipping Weight: 2,755 Pounds

2 Door Victoria Coupe, 4 Passenger

Base Price: $700; Shipping Weight: 2,795 Pounds

4 Door Trunk Sedan, 6 Passenger

Base Price: $740; Shipping Weight: 2,810 Pounds

2 Door Trunk Brougham, 6 Passenger

Base Price: $745; Shipping Weight: 2,905 Pounds

2 Door Convertible Coupe, 4 Passenger

Base Price: $770; Shipping Weight: 2,825 Pounds

2 Door Convertible Brougham, 6 Passenger

Base Price: $845; Shipping Weight: 2,915 Pounds

2 Door Brougham, 6 Passenger

Base Price: $680; Shipping Weight: 2,875 Pounds

2 Door Trunk Brougham, 6 Passenger

Base Price: $700; Shipping Weight: 2,875 Pounds

4 Door Sedan, 6 Passenger

Base Price: $725; Shipping Weight: 2,905 Pounds

Production Totals by Body Style are not available.

1937 TERRAPLANE

General Specifications

88 Horsepower 6 Cylinder Engine

Wheelbase: 117 Inches (124 Inches on Busniess 6)

Engine Type: Inline 6 Cylinder, L-Head

Bore & Stroke: 3" X 5"

Engine Displacement: 212.1 Cu. In.

Compresssion Ratio: 6.25 to 1

Taxable Horsepower: 21.60

Horsepower: 96 @ 3,900 RPM

Torque: 170 Ft Lbs @ ? RPM

Rear Axle Ratio: 4.11:1; Optional: 4.44"1

Carburetor: Carter W1-348S .

Tire Size: 6.00 x 16 inches; Inflation Pressure, Front 24, Rear, 32

Optional 107 Horsepower Engine

Engine Type: Inline 6 Cylinder, L-Head

Bore & Stroke: 3" X 5"

Engine Displacement: 212.1 Cu. In.

Compresssion Ratio: 7.00 to 1

Taxable Horsepower: 21.60

Horsepower: 107 @ 4,000 RPM

Torque: 170 Ft Lbs @ ? RPM

Rear Axle Ratio: 4.11:1; Optional: 4.44:1

Carburetor: Carter W1-348S .

Tune Up Specifications

Spark Plug Type:

Regular Head: Champion J-7, J-8, or Equivalent

Aluminum Head: Champion J-9 (Long Reach), H-10, or Equivalent

Spark Plug: Gap .025"

Spark Plug Type:

Point Gap: .020"

Distributor Cam Angle: 35 degrees

Ignition Timing: TDC Mark on Flywheel

Firing Order: 153624

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

Cylinder Head Torque: 40 Ft Lbs

Valve Specifications

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 18.5 degrees After Top Dead Center

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

Valve Spring Pressure: 44 Lbs @ 2 inches (New Springs)

Valve Stem Clearance: Intake .001"-.002"

Exhaust .001"-.003"

Piston & Ring Data

Piston Removal: From Above

Piston Clearance (Minimum):

Top Land Inch .016"

Top of Skirt, Inch: .001"

Fitting Pistons with Spring Scale:

Shim Thickness: .0015"

Pounds Pull on Scale: 3 to 4

Width of Ring End Gap (Minimum):

Compression Ring: .009"

Oil Ring: .009"

Clearance Between Ring & Grooves:

Compression Ring: .0015"-.002"

Oil Control Ring: .001"-.0015"

Engine Bearing Data

Camshaft End Play: .001"-.003"

Camshaft Bearing Clearance: .0015"

Rod Journal Diameter: 1.935"-1.936"

Rod Bearing Clearance: .003"-.006"

Rod End Play: .007"-.013" inches

Rod Bolt Tension: 40 Lbs. Ft.

Main Bearing Journal Diameter:

Front: 2.341"-2.342" Center: 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

Cooling System: 13 Quarts

Fuel Tank: 16-1/2 Gallons;

Engine Oil Refill: 5 Quarts;

Grade of Oil: Above +32F 20;

Above +10F 20W;

Above -10F 10W

Manual Transmission: 3 Pints

Grade of Oil: Summer 90EP, Winter 80EP

Rear Axle: 3 Pints

Grade of Oil: Summer 90EP, Winter 90EP

Beginning Engine Numbers:

Model 71 & 72: 250000

Beginning Serial Numbers:

Model 71: 71101

Model 72: 72101

Brake Specifications

Lining Material: Molded Primary Shoe, Woven Secondary Shoe

Lining Dimensions/Wheel in Inches: 22-1/8"

Width: 1-3/4",

Thickness: 7/32"

Pedal Free Play: 1/4"

Wheel Alignment Specifications

Caster: +1-1/2 Degrees

Camber: +1-1/4 Degrees

Toe In; 1/16"

Kingpin Angle: 7 Degrees

Rear Axle Data

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

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: Shims

Axle Shaft End Play: .004"-.010"

Auto-Lite Distributor Specifications:

Distributor #1GW-4012A

Cam Angle: 35 Degrees

Breaker Point Opening: .020"

Condenser Capacity: .20-.25 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 3 Degrees @ 400 RPM

Full Advance: 14 Degrees @ 1,580 RPM

Distributor #1GW-4013A

Cam Angle: 35 Degrees

Breaker Point Opening: .020"

Condenser Capacity: .20-.25 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 3 Degrees @ 400 RPM

Full Advance: 14 Degrees @ 1,850 RPM

Auto-Lite Generator Specifications:

Series 72

Generator #GCJ-4803A

Brush Spring Tension:

Main: 53 Ounces (Maximum)

Third: 53 Ounces (Maximium)

Direction of Rotation: Clockwise

Field Current at 6 Volts: 1.90-2.10 Amperes

Low Output Test: 8 Amperes, 8 Volts @ 1,135 RPM

Maximum Output: 26 Amperes, 8 Volts

Series 71

Generator #GCJ-4804A-1

Brush Spring Tension:

Main: 53 Ounces (Maximum)

Third: 53 Ounces (Maximum)

Direction of Rotation: Clockwise

Field Current at 6 Volts: 1.90-2.10 Amperes

Low Output Test: 8 Amperes, 8 Volts @ 1,160 RPM

Maximum Output: 19.0 Amperes, 8 Volts

Auto-Lite Regulator Specifications:

Regulator Type: Regulated by Third Brush

Regulator Number: CBA-4003

Voltage to Close Points: 6.5-7.25

Amperage to Open Relay Points: 1.5-4.5

Maximum Operating Amperage: 15 Amperes

Auto-Lite Starting Motor Specifications:

Unit #: MAB-4075

Brush Spring Tension: 42-53 Ounces

No Load Test:

60 Amperes; 5.5 Volts; @ 3,700 RPM

Lock Test:

775 Amperes; 4.0 Volts; Torque 22.5 Ft Lbs

Carter Carburetor Specifications:

Carburetor Model: W-1

Part #348S

Casting #272

Repair Kit # 1051A

Float Level: 3/8"

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

Metering Rod Gauge: T109-25

Pump Travel: Set for longest stroke in cold weather, shortest in hot weather

Anto-Percolator Setting: With throttle valve open .030", there should be .005" to .015" clearance between rocker arm & pump arm.

Unloader Setting: None

Choke Lockout Adjustment: None

Fuel Pump Data:

Pump Model: AK

Maximum Pressure: 4-1/2 PSI

Pump Model: AB

Maximum Pressure: 4-1/2 PSI

Dash Gauge Manufacturers:

Gasoline: King Seeley

Temperature: King Seeley

Oil Pressure: -

Ammeter: -

Popular Options

Radio, Heater, Startix, Seat Covers, Fender Skirts, Cigar Lighter, White Side Wall Tires, Clock, Mohair Upholstery, Laquer Finish, 107 Horsepower Engine

1937 Terraplane Historical Data

Model Year Introduction was in November 1936.

Total 1937 Terraplane Production was 83,436

1937 was the last year for the Terraplane to be marketed as a separate line. In 1938, the Terraplane became a Hudson line.