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J.I. Case 420B

J.I. Case 420B tractor
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The J.I. Case 420B is an industrial tractor produced from 1958 to 1959 by J.I. Case. It features a 2.4L 4-cylinder gasoline engine producing 47 hp gross, paired with an 8-speed torque converter transmission. The tractor is two-wheel drive with power steering and disc brakes, and has an open operator station. It supports front-end loader and backhoe attachments, with detailed loader and backhoe specifications. The 420B has a wheelbase of 75.25 inches and weighs between 2918 lbs (tractor only) and 7740 lbs (with loader backhoe).
J.I. Case 420Bindustrial tractor47 hp2.4L gasoline enginetorque converter transmissionloaderbackhoespecifications
Power-
Founded-
Model420B

Technical Specifications

Detailed specifications and technical data for J.I. Case 420B

Power

Engine (gross):47 hp (35.0 kW)
Drawbar (claimed):33 hp (24.6 kW)

Tires

Industrial rear:13-24
Industrial front:7.50-16

Engine

Type:gasoline, 4-cylinder, liquid-cooled
Model:J.I. Case G-148
Starter:electric
Idle RPM:500-2125
Point gap:0.020 inches (0.508 mm)
Rated RPM:2100
Sparkplug:Champion D16
Air cleaner:oil bath
Bore/Stroke:3.375x4.125 inches (86 x 105 mm)
Compression:7.1:1
Fuel system:carburetor
Displacement:148 ci (2.4 L)
Firing order:1-3-4-2
Oil capacity:5 qts (4.7 L)
Power (gross):47 hp (35.0 kW)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:12
Coolant capacity:13 qts (12.3 L)
Intake valve clearance:0.014 inches (cold) (0.356 mm)
Exhaust valve clearance:0.014 inches (cold) (0.356 mm)

Weight

Tractor:2918 lbs (1323 kg)
Loader backhoe:7740 lbs (3510 kg)
Loader tractor:5570 lbs (2526 kg)

Capacity

Fuel:13.7 gal (51.9 L)
Steering:1 qts (0.9 L)
Hydraulic system:18 gal (loader backhoe) (68.1 L)

Variants

320:gear
420:torque converter

Dimensions

Width:78 inches (198 cm)
Length:126.5 inches (tractor) (321 cm), 248 inches (loader backhoe) (629 cm)
Wheelbase:75.25 inches (191 cm)
Rear tread:64 inches (162 cm)
Front tread:47.5 inches (120 cm)
Ground clearance:10.75 inches (27 cm)

Electrical

Ground:positive
Battery AH:50
Battery volts:12
Charging system:generator

Hydraulics

Type:open center
Capacity:18 gal (loader backhoe) (68.1 L)
Pump flow:21 gpm (79.5 lpm)
Steering capacity:1 qts (0.9 L)

Mechanical

Drive:Two-wheel drive
Brakes:Disc brakes
Steering:Power steering
Operator station:Open operator station

Production

Type:Industrial tractor
Years made:1958 - 1959
Manufacturer:J.I. Case

Attachments

Loader

Boom rod:1.5 inches (3 cm)
Dump time:2.2s
Bucket rod:1.25 inches (3 cm)
Dump angle:45°
Lower time:3.3s
Raise time:4.7s
Bucket width:63.4 inches (161 cm), 79.4 inches (201 cm)
Boom cylinder:3.0 inches (7 cm)
Lift capacity:2000 lbs (907 kg) full at pin
Breakout force:4600 lbs (2086 kg)
Reach (dumped):17.5 inches (44 cm)
Bucket cylinder:2.5 inches (6 cm)
Height (at pin):136 inches (345 cm)
Clearance (dumped):108 inches (274 cm)
Rollback (ground line):25°

Backhoe

Type:J.I. Case Backhoe
Swing Arc:180°
Digging depth:150 inches (381 cm)
Loading height:127 inches (322 cm)
Reach from pivot:194 inches (492 cm)
Transport height:139 inches (353 cm)
Overview:Front-end loader, Backhoe

Belt Pulley

RPM:1180
Speed:3060 ft/min (932.69 meters/min)
Width:6 inches (15 cm)
Diameter:10.25 inches (26 cm)

Transmission

Type:torque convertor
Gears:8 forward and reverse
Notes:Four gears in two ranges.
Oil type:SAE 90 EP
Oil capacity:13 qts (12.3 L)

Tractor hitch

Type:Case Eagle Hitch

Power Take-off (PTO)

Rear PTO:independent (Optional)
Engine RPM:541@1970
Rear PTO Type:540 (1.375)

Related Models

J.I. Case 430CK

Model:430CK