John Deere industrial tractors

John Deere 450B Loader

The John Deere 450B Loader is a crawler loader produced from 1970 to 1972, built in Dubuque, Iowa, USA. It features a John Deere 3.6L 4-cylinder diesel engine producing 70 hp gross and 65 hp net, paired with an 8-speed partial power shift transmission. The tractor has a crawler drive with contracting band brakes and an open operator station with an optional cab. Its hydraulics system is open center with 2250 psi pressure and 28 gpm pump flow. The 450B Loader includes a front-end loader attachment with a 9000 lbs lift capacity and 14360 lbs breakout force. It has 14-inch wide tracks and weighs 16200 lbs operating weight. Electrical system includes a 12-volt alternator and battery. Variants include the 450B crawler and 450B CL crawler-loader. The 450C Loader is a related model produced later.
Power-
Founded-
Model450B Loader

Technical Specifications

Detailed specifications and technical data for John Deere 450B Loader

Power
Engine (net)65 hp (48.5 kW)
Engine (gross)70 hp (52.2 kW)
Engine
Typediesel, 4-cylinder, liquid-cooled
ModelJohn Deere 3.6L 4-cyl diesel
Torque164.5 lb-ft (223.1 Nm)
Starterelectric
Idle RPM800-2650
Fuel tank31 gal (117.3 L)
Rated RPM2500
Torque RPM1400
Air cleanerdry
Bore/Stroke4.02x4.33 inches (102 x 110 mm)
Compression16.7:1
Power (net)65 hp (48.5 kW)
Displacement219 ci (3.6 L)
Oil capacity9 qts (8.5 L)
Power (gross)70 hp (52.2 kW)
Starter volts12
Coolant capacity16 qts (15.1 L)
Tracks
Width14 inches (35 cm)
Area on ground2128 in² (1.4 m²)
Ground pressure7.6 psi (0.5 bar)
Length on ground76 inches (193 cm)
Variants
450Bcrawler
450B CLcrawler-loader
Dimensions
Gauge52 inches (132 cm)
Length164.3 inches (417 cm)
Height (hood)57 inches (144 cm)
Ground clearance14.25 inches (36 cm)
Height (exhaust)89 inches (226 cm)
Operating weight16200 lbs (7348 kg)
Electrical
Batteries1 (2 Optional)
Battery AH90
Battery volts12
Charging systemalternator
Hydraulics
Typeopen center
Pressure2250 psi (155.1 bar)
Pump flow28 gpm (106.0 lpm)
Mechanical
Drivecrawler
BrakesContracting band brakes
Operator stationOpen operator station. Cab optional.
Production
TypeCrawler Loader
Built inDubuque, Iowa, USA
Years produced1970 - 1972
Attachments
Loaderfront-end loader
Boom rod2.25 inches (5 cm)
Dump time2.1s
Bucket rod2.0 inches (5 cm)
Dump angle50°
Lower time3.5s
Raise time6.6s
Bucket width73 inches (185 cm)
Boom cylinder4.25 inches (10 cm)
Lift capacity9000 lbs (4082 kg) full at pin
Breakout force14360 lbs (6513 kg)
Reach (dumped)33 inches (83 cm)
Bucket cylinder3.5 inches (8 cm)
Height (at pin)129 inches (327 cm)
Clearance (dumped)103 inches (261 cm)
Rollback (ground line)40°
Transmission
Typepartial power shift
Gears8 forward and 4 reverse
FeaturesHydraulic shift between high, low, and reverse in each range
Oil capacity32 qts (30.3 L)
Power Take-off (PTO)
Rear PTO Type1000 Optional