Contents
Dimensions
| CAT 420 | GP Bucket | MP Bucket |
|---|---|---|
| 1. Overall Length (Loader on Ground) – Standard Stick | 291.0 in (7411 mm) | 278.0 in (7059 mm) |
| Overall Length (Loader on Ground) – Extendible Stick | 291.0 in (7147 mm) | 278.0 in (7064 mm) |
| Overall Transport Length – Standard Stick | 282.0 in (7169 mm) | 281.0 in (7133 mm) |
| Overall Transport Length – Extendible Stick | 283.0 in (7175 mm) | 281.0 in (7139 mm) |
| 2. Overall Transport Height – Standard Stick | 141.0 in (3577 mm) | 141.0 in (3577 mm) |
| Overall Transport Height – Extendible Stick | 143.0 in (3631 mm) | 143.0 in (3631 mm) |
| Overall Width | 91.0 in (2322 mm) | 91.0 in (2322 mm) |
| 3. Height to Top of Cab/Canopy | 111.0 in (2819 mm) | 111.0 in (2819 mm) |
| 4. Height to Top of Exhaust Stack | 108.0 in (2744 mm) | 108.0 in (2744 mm) |
| Height to Loader Hinge Pin (Transport) | 171.0 in (4342 mm) | 171.0 in (4342 mm) |
| Ground Clearance | 11.6 in (294 mm) | 11.6 in (294 mm) |
| 5. Rear Axle Centerline to Front Grill | 106.0 in (2705 mm) | 106.0 in (2705 mm) |
| Front Wheel Tread Gauge | 74.6 in (1895 mm) | 74.6 in (1895 mm) |
| Rear Wheel Tread Gauge | 67.4 in (1714 mm) | 67.4 in (1714 mm) |
| 6. Wheelbase (2WD/4WD) | 86.6 in (2200 mm) | 86.6 in (2200 mm) |
Loader
| CAT 420 Loader | GP Bucket | MP Bucket |
|---|---|---|
| Capacity (SAE Rated) | 1.25 yd3 (0.96 m3) | 1.31 yd3 (1.00 m3) |
| Overall Bucket Width | 89.0 in (2262 mm) | 90.0 in (2279 mm) |
| Lift Capacity at Max Height | 7273 lb (3283 kg) | 6828 lb (3097 kg) |
| Lift Breakout Force | 11197 lbf (49.09 kN) | 11020 lbf (49.00 kN) |
| Tilt Breakout Force | 11283 lbf (50.19 kN) | 12938 lbf (57.55 kN) |
| Tipping Load at Breakout Point | 14503 lb (6578 kg) | 14681 lb (6659 kg) |
| 7. Max Hinge Pin Height | 137.0 in (3474 mm) | 137.0 in (3474 mm) |
| 8. Dump Angle at Full Height | 44° | 44° |
| Dump Height at Max Angle | 108.0 in (2746 mm) | 110.0 in (2798 mm) |
| 9. Dump Reach at Max Angle | 32.0 in (808 mm) | 28.0 in (716 mm) |
| 10. Max Bucket Rollback at Ground Level | 38° | 38° |
| 11. Digging Depth | 3.2 in (83 mm) | 4.0 in (100 mm) |
| Max Grading Angle | 112° | 116° |
| 12. Grill to Bucket Cutting Edge, Carry Position | 58.5 in (1487 mm) | 57.1 in (1451 mm) |
| 13. Max Operating Height | 171.0 in (4355 mm) | 174.0 in (4440 mm) |
| Jaw Opening Max | N/A | 31.1 in (790 mm) |
| Bucket Jaw Clamping Force | N/A | 12521 lbf (55.7 kN) |
| Weight (does not include teeth or forks) | 994 lb (451 kg) | 1642 lb (745 kg) |
Backhoe
| Cat 420 Backhoe | Standard Stick | E-Stick Retracted | E-Stick Extended |
|---|---|---|---|
| 14. Digging Depth, SAE max | 172.0 in (4360 mm) | 173.0 in (4390 mm) | 214.0 in (5442 mm) |
| 15. Digging Depth, Flat Bottom 2 ft (610 mm) | 170.0 in (4317 mm) | 171.0 in (4351 mm) | 213.0 in (5405 mm) |
| Reach from Rear Axle Centerline at Ground Line | 264.0 in (6702 mm) | 267.0 in (6773 mm) | 305.0 in (7742 mm) |
| 16. Reach from Swing Pivot at Ground Line | 221.0 in (5612 mm) | 223.0 in (5677 mm) | 259.0 in (6562 mm) |
| Max Operating Height | 217.0 in (5522 mm) | 219.0 in (5546 mm) | 248.0 in (6282 mm) |
| Loading Height | 142.0 in (3599 mm) | 143.0 in (3621 mm) | 164.0 in (4169 mm) |
| 17. Loading Reach | 72.0 in (1842 mm) | 76.0 in (1929 mm) | 113.0 in (2884 mm) |
| Swing Arc | 180° | 180° | 180° |
| Bucket Rotation | 205° | 205° | 205° |
| 18. Stabilizer Spread, Operating Position (center) | 130.0 in (3310 mm) | 130.0 in (3310 mm) | 130.0 in (3310 mm) |
| Stabilizer Spread, Operating Position (outside) | 148.0 in (3770 mm) | 148.0 in (3770 mm) | 148.0 in (3770 mm) |
| Stabilizer Spread, Transport Position | 91.0 in (2322 mm) | 91.0 in (2322 mm) | 91.0 in (2322 mm) |
| Bucket Dig Force | 14341 lbf (63.9 kN) | 13228 lbf (58.8 kN) | 14228 lbf (63.2 kN) |
| Stick Dig Force | 9741 lbf (43.4 kN) | 9757 lbf (43.4 kN) | 8369 lbf (37.2 kN) |
Weights
| Cat 420 with | Tier 3 Engine | Tier 4F Engine |
|---|---|---|
| Operating Weight | 17033 lb (7726 kg) ** | 17271 lb (7834 kg) *** |
| Max Operating Weight | 24251 lb (11000 kg) | 24251 lb (11000 kg) |
| Counterweights (Base, each) | 256 lb (115 kg) | 256 lb (115 kg) |
| Counterweights (Stackable) | 529 lb (240 kg) | 529 lb (240 kg) |
| Counterweight (Max) | 1014 lb (460 kg) | 1014 lb (460 kg) |
| Extendible Stick | + 595 lb (270 kg) | + 595 lb (270 kg) |
| MP Bucket (no forks or teeth) | + 1642 lb (745 kg) | + 1642 lb (745 kg) |
| MP Bucket (with fold-over forks) | + 2017 lb (915 kg) | + 2017 lb (915 kg) |
** Operating Weight for CAT 420 equipped with single tilt loader, ROPS, 2WD, standard stick, 1.25 yd3 (0.96 m3) general purpose (GP) loader bucket, 24 in (610 mm) standard duty backhoe bucket, 530 lb (240 kg) counterweight and full fuel tank.
*** Operating Weight for CAT 420 equipped with standard stick hoe, Open Roll Over Protective Structure (OROPS) canopy, AWD power shift transmission, 1.25 yd3 (0.96 m3) General Purpose (GP) loader bucket, 24 in (610 mm) standard duty backhoe bucket, 340/80-18 front and rear 500/70-24 tires, 530 lb (240 kg) counterweight, 176 lb (80 kg) operator, full fuel tank.
Engine Details
| Engine Model | Cat 3054C | Cat C4.4 | Cat C3.6 |
|---|---|---|---|
| Number of Cylinders | 4 | 4 | 4 |
| Displ. | 268 cu in (4.4 L) | 268 cu in (4.4 L) | 220 cu in (3.6 L) |
| Bore | 4.13 in (105 mm) | 4.13 in (105 mm) | 4.72 in (120 mm) |
| Stroke | 5.0 in (127 mm) | 5.0 in (127 mm) | 4.72 in (120 mm) |
| Gross Power | 101 hp (75 kw) | 102 hp (76 kw) | 114 hp (84 kw) |
| Net Power | 94 hp (70 kw) | 93 hp (69 kw) | 103 hp (76 kw) |
| Power Measured @ | 2200 rpm | 2200 rpm | 2200 rpm |
| Peak Torque | 293 lb ft (397 Nm) | 293 lb ft (398 Nm) | 358 lb ft (485 Nm) |
| Torque Measured @ | 1400 rpm | 1400 rpm | 1800 rpm |
| Torque Rise | 31% | 32% | 48% |
| Aspiration | Turbo | Turbo (TA) | Turbo (TA) |
| Emission Standards | US EPA Tier 2 + EU Stage II | US EPA Tier 3 + EU Stage IIIA | US EPA Tier 4 Final + EU Stage V |
Operational Specs
| Operating Voltage | 12 V |
| Alternator | 120 amps |
| Battery | 12 V, CCA 850 |
| Axle Oscillation | 11° |
| Turning Circle (inner wheel not braked) Outside, Front Wheels | 27 ft (8.18 m) |
| Turning Circle (inner wheel not braked) Outside, Widest Loading Bucket | 36 ft (10.97 m) |
| Standard Tire Size (Front / Rear) | 340/80R 18 / 500/70R 24 RT |
| Optional Tire Size (Front / Rear) | 340/80R 18 / 19.5L-24 (12 ply) R4 ATU 11L-16 (12 ply) F-3 / 19.5L-24 (12 ply) R4 ATU 12.5/80-18 (12 ply) 1-3 / 19.5L-24 (12 ply) ATU 12.5/80-18 NHS (12 ply) 1-3 / 21L-24 (16 ply) R4 ATU |
Transmission
| Type | Power Shuttle | Power Shift | Auto-Shift |
|---|---|---|---|
| Number of Gears | 4F / 4R | 4F / 3R | 6F / 3R |
| Max Forward Speed | 24.9 mph (40 km/h) | 25 mph (41 km/h) | 25 mph (41 km/h) |
| Max Reverse Speed | 24.9 mph (40 km/h) | 16.8 mph (27.1 km/h) | 17 mph (27 km/h) |
| Service Brakes | Oil disc, dual pedals | Oil disc, dual pedals | Oil disc, dual pedals |
| Parking Brake | SAHR brake | SAHR brake | SAHR brake |
Hydraulic System
| Type | Closed Center |
| Pump Type | Variable flow, axial piston pump |
| Pump Flow Capacity (Cat 420 w/ C4.4 engine) | 42.3 gal/min (163 L/min) |
| Pump Flow Capacity (Cat 420 w/ C3.6 engine) | 49.4 gal/min (187 L/min) |
| Relief Valve Pressure (Backhoe Circuit) | 3600 psi (25000 kPa) |
| Relief Valve Pressure (Loader Circuit) | 3600 psi (25000 kPa) |
Service Refill Capacities
| Cat 420 Engine | Cat C4.4 Tier 3 | Cat C3.6 Tier 4F |
|---|---|---|
| Fuel Tank Capacity | 42.3 gal (160 L) | 42.3 gal (160 L) |
| DEF Tank Capacity | – | 5 gal (19 L) |
| Engine Oil Capacity (w/ Filter) | 2.3 gal (8.8 L) | 2.4 gal (9 L) |
| Cooling System Capacity | 4.9 gal (18.5 L) | 4.8 gal (18 L) |
| Hydraulic System Capacity (w/ tank) | 25.1 gal (95 L) | 25.1 gal (95 L) |
| Hydraulic Tank Capacity | 10.6 gal (40 L) | 11.1 gal (42 L) |
| Transmission Oil Capacity (Power Shuttle) | 4 gal (15 L) | 4.8 gal (18 L) |
| Transmission Oil Capacity (Power Shift) | 5 gal (19 L) | 5 gal (19 L) |
| Rear Axle Oil Capacity | 4.4 gal (16.5 L) | 4.2 gal (16 L) |
| Rear Axle Planetaries Oil Capacity | 0.4 gal (1.7 L) | 0.4 gal (1.7 L) |
| Front Axle Oil Capacity (AWD) | 2.9 gal (11 L) | 2.9 gal (11 L) |
| Front Axle Planetaries Oil Capacity (AWD) | 0.2 gal (0.7 L) | 0.2 gal (0.7 L) |
