Caterpillar 420D Backhoe Loader

Axle Ratings

Dynamic (1) 6,983 lbs (3,167 kg)
Dynamic (2) 20,418 lbs (9,261 kg)

Backhoe

Bucket Dig Force 14,712 lbs (6,673 kg)
Bucket Dig Force – Extended 14,586 lbs (6,616 kg)
Bucket Rotation 205 degrees
Dig Depth 15 ft (4 m)
Dig Depth – Extended 18 ft (6 m)
E-Stick Extended (1) 18 ft (6 m)
E-Stick Extended (2) 22 ft (7 m)
E-Stick Extended (3) 14,586 lbs (6,616 kg)
E-Stick Extended (4) 6,188 lbs (2,807 kg)
E-Stick Extended (5) 4,121 lbs (1,869 kg)
E-Stick Retracted (1) 15 ft (4 m)
E-Stick Retracted (2) 19 ft (6 m)
E-Stick Retracted (3) 14,586 lbs (6,616 kg)
E-Stick Retracted (4) 8,421 lbs (3,820 kg)
E-Stick Retracted (5) 8,936 lbs (4,053 kg)
Load Height – Extended 14 ft (4 m)
Loading Height 12 ft (4 m)
Loading Reach 6 ft (2 m)
Reach at Load Height – Extended 3 ft (1 m)
Reach from Swing Pivot 19 ft (6 m)
Reach From Swivel 19 ft (6 m)
Reach From Swivel – Extended 22 ft (7 m)
Stick Dig Force 8,593 lbs (3,898 kg)
Stick Lift at 2440 mm (8 ft) 10,538 lbs (4,780 kg)

Dimensions

Ground Clearance 1 ft (0 m)
Height to Top of Suspended Cab 9 ft (3 m)
Transport Length 23 ft (7 m)
Transport Width 8 ft (2 m)
Wheelbase 7 ft (2 m)

Engine

Bore 4 in (10 cm)
Displacement 243 cu in (3,982 cu cm)
Gross Power 88 hp (66 kw)
Gross Power – SAE J1995 88 hp (66 kw)
Net Peak Torque – 1400 rpm – Standard – SAE J1349 254 lbs ft (344 nm)
Net Power 85 hp (63 kw)
Net Power – SAE J1349 85 hp (63 kw)
Net Torque Rise – 1,400 rpm – Standard 27%
Number of Cylinders 4
Power Measured @ 2200 rpm
Stroke 5 in (13 cm)

Hydraulic System

4WD Cylinder – Bore 3 in (7 cm)
Brake System Inboard, oil-immersed
Circuit Type Load sensing, closed Center
Power Steering Hydrostatic
Pump Capacity at 2,200 rpm 43 gpm (163 lpm)
Pump Flow Capacity 43 gpm (163 lpm)
Relief Valve Pressure 3300.2 psi
Steering Type Front wheel

Loader

Bucket Breakout Force 10,139 lbs (4,599 kg)
Bucket Breakout Force – Single Tilt 10,131 lbs (4,595 kg)
Bucket Capacity 1 cu yd (1 cu m)
Bucket Capacity – General Purpose 1 cu yd (1 cu m)
Bucket Width 89 in (226 cm)
Bucket Width – General Purpose 89 ft (27 m)
Clearance at Max Dump Height 8 ft (3 m)
Dig Depth 5 in (14 cm)
Dig Depth – Single Tilt 5 in (13 cm)
Dump Height at Maximum Angle – Single Tilt 8 ft (3 m)
Dump Reach at Maximum Angle – Single Tilt 3 ft (1 m)
Lift Capacity at Full Height – Single Tilt 6,385 lbs (2,896 kg)
Reach at Max Dump Height 3 ft (1 m)

Operating Specifications

Fuel Capacity 34 gal (128 l)
Operating Weight 4wd 15,763 lbs (7,150 kg)
Tire Size Front – 2wd / 4wd 11Lx16,12PR/12.5 / 80×18,10PR
Turning Circle – Outside – Front Wheels 27 ft (8 m)
Turning Circle – Outside, Widest Loading Bucket 35 ft (11 m)
Turning Radius 18 ft (5 m)

Power Train

Power Shuttle Transmission – Forward 1st 4 mph (6 kph)
Power Shuttle Transmission – Reverse 1st 4 mph (6 kph)

Service Refill

Cooling System – A/C 4 gal (16 l)
Cooling System – High-Ambient 4 gal (17 l)
Engine Oil – With Filter 2 gal (8 l)
Front Axle (4WD) 2 gal (8 l)
Front Axle – Planetaries 0 gal (1 l)
Fuel Tank 34 gal (129 l)
Hydraulic System 21 gal (79 l)
Hydraulic Tank 10 gal (38 l)
Rear Axle 6 gal (24 l)
Transmission – Torque Converter – Power Shuttle – 2WD 4 gal (15 l)

Standards

Cab – ROPS SAE J397/SAE J1040 May 1994/ISO 3471 1994
Cab – Sound ANSI/SAE J1166 Oct 98 is 78.5 dB(A)
Exterior Sound SAE J88 April 95 is 73.0 dB(A)
Front Axle (2WD) – Static 30,319 lbs (13,752 kg)
Front Axle (4WD) – Static 27,029 lbs (12,260 kg)
Rear Axle – Static 61,233 lbs (27,775 kg)

Tires

Rear Tires Size 19.5×24,10PR / 19.5L24,10PR

Transmission

Max Speed 20 mph (33 kph)
Max Speed – Reverse 20 mph (33 kph)
Number of Forward Gears 4
Number of Reverse Gears 4
Transmission Type power shuttle

Weights

Counterweights – Option 1 320 lbs (145 kg)
Operating Weight – Maximum 21,605 lbs (9,800 kg)
Operating Weight – Nominal 15,772 lbs (7,154 kg)
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