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420C

420c_crawler

Years Built:

1956 to 1958

Factory:

Dubuque, Iowa USA

Beginning and Ending SN:

(First) 80001 (Last) 136868

Year and Serial No. Breaks:

Phase 1 (All Green) / 1956

First: 80001 (Date Oct. 27, 1955) Last: 94818 (Date July 13, 1956)

Phase 2 (Green and Yellow) / 1957

First: 100001 (Date July 30, 1956) Last: 119764 (Date July 17, 1957)

Phase 3 (Slant steer) / 1958

First: 125001 (Date Aug. 7, 1957) Last: 136868 (Date July 26, 1958)

Total Produced:

Phase 1 (All green/1956): 5386 (First SN 80002, Last SN 94727)

Phase 2 (Green and Yellow/1957): 9498 (First SN 100008, Last SN 119761)

Phase 3 (Slant steer/1958): 2998 (First SN 125007, Last SN 136795)

LP: 4 All fuel: 88 Gasoline: 17790

Grand total: 17882

Original Price:

$2316.00 (As of July 1, 1958)

Specs:

(Engine)

Gasoline:

Manufacturer: John Deere

Four stroke cycle, Valve-in-Head

Fuel: Gasoline

Aspiration: Natural

Displacement: 113.3 c.i.

Bore and Stroke: 4.25" x 4.00"

Maximum HP at the Drawbar: 23.53

Maximum HP at the Belt: 28.76

Maximum Torque at the Engine: 90 foot-pounds

RPM at Maximum Torque: 1300

Cylinders: 2

Valves: 4

Cooling: Liquid

Compression ratio: Approx. 7.0 to 1

Engine Speed: Rated load…..1850, Fast Idle…..2025, Slow Idle…..550

Firing Order: 1-2

Air Cleaner: Oil Bath

Starter Volts: 6

Spark Plug Gap: .025"

Distributor Point Gap: .022"

Intake Valve Clearance: .015" (when cold)

Exhaust Valve Clearance: .015" (when cold)

Oil Capacity: 5 qts. (including oil filter)

Coolant Capacity: 3-1/2 gals.

All Fuel:

Manufacturer: John Deere

Four stroke cycle, Valve-in-Head

Fuel: All Fuel

Aspiration: Natural

Displacement: 113.3 c.i.

Bore and Stroke: 4.25" x 4.00"

Maximum HP at the Drawbar: 23.53

Maximum HP at the Belt: 28.76

Maximum Torque: 90 foot-pounds

RPM at Maximum Torque: 1300

Cylinders: 2

Valves: 4

Cooling: Liquid

Compression ratio: Approx. 5.2 to 1

Engine Speed: Rated Load…..1850, Fast Idle…..2025, Slow Idle…..550

Firing Order: 1-2

Air Cleaner: Oil Bath

Starter Volts: 6

Spark Plug Gap: .025"

Distributor Point Gap: .022"

Intake Valve Clearance: .015" (when cold)

Exhaust Valve Clearance: .015" (when cold)

Oil Capacity: 5 qts. (including oil filter)

Coolant Capacity: 3-1/2 gals.

LP:

Manufacturer: John Deere

Four stroke cycle, Valve-in-Head

Fuel: LP

Aspiration: Natural

Displacement: 113.3 c.i.

Bore and Stroke: 4.25" x 4.00"

Maximum HP at the Drawbar: 23.53

Maximum HP at the Belt: 28.76

Maximum Torque: 90 foot-pounds

RPM at Maximum Torque: 1300

Cylinders: 2

Valves: 4

Cooling: Liquid

Compression ratio: Approx. 7.0 to 1

Engine Speed: Rated Load…..1850, Fast Idle…..2025, Slow Idle…..550

Firing Order: 1-2

Air Cleaner: Oil Bath

Starter Volts: 6

Spark Plug Gap: .025"

Distributor Point Gap: .022"

Intake Valve Clearance: .015" (when cold)

Exhaust Valve Clearance: .015" (when cold)

Oil Capacity: 5 qts. (including oil filter)

Coolant Capacity: 3-1/2 gals.

(Transmission)

(A Direction Reverser was an available option for $136.00)

Gears: 4 Forward and 1 Reverse

Travel Speeds: First .82 mph Second.....2.21 mph Third.....2.95 mph Fourth.....5.31 mph Reverse….1.64 mph

Gears: 5 Forward and 1 Reverse

Travel Speeds: First .89 mph Second…..2.21 mph Third…..2.95 mph Fourth…..3.83 mph Fifth…..5.74 mph Reverse…..1.64mph

Type: Selective Sliding Gear

Oil Capacity: 6-1/2 qts. Transmission and Differential

(7/8 qt. each, Final Drives)

Oil type: Without Reverser Unit Use SAE 90 With Reverser Unit Use SAE 80 or 90 Multi-Purpose Lubricant (Transmission and Differential)

SAE 90 (Final Drives)

ATF (Reverser)

Dimensions:

4 Roller

Over-All Height…..69” Height to Top of Grille…..51-7/8” Over-All Width…..56” Over-All Length…..102” Center-of-idler-to-center-of-sprocket…..(approx.) 56” Clearance…..12” Shipping Weight…..4150 lbs. Turning Radius…..6 Ft. No. of Shoes per Track…..31 (regular) 32 (with oversize front idler)

5 Roller

Over-All Height…..69” Height to Top of Grille…..51-7/8” Over-All Width…..56” Over-All Length…..102” Center-of-idler-to-center-of-sprocket…..(approx.) 66-3/8” Clearance…..12” Shipping Weight…..4700 lbs. Turning Radius…..6-1/2 Ft. No. of Shoes per Track…..35

Tread Widths: (Center-to-Center)

(Track Shoe)

10” Shoe:…..36”, 38”, 44”, 46”

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