SPECS / COMPARISON
Komatsu WA9003 Tier 2 vs Caterpillar 993K
A detailed comparison of the Komatsu WA9003 Tier 2 and the Caterpillar 993K. Click a model name to view its full specifications.
Horsepower
Komatsu WA9003 Tier 2638.3 kW (856 hp)
Caterpillar 993K725.6 kW (973 hp)
Weight
Komatsu WA9003 Tier 2107201.9 kg (236340 lbs)
Caterpillar 993K133660.0 kg (294670 lbs)
Operating Weight
Komatsu WA9003 Tier 2107201.9 kg (236340 lbs)
Caterpillar 993K133660.0 kg (294670 lbs)
| Specification | Komatsu WA9003 Tier 2 Wheel Loaders | Caterpillar 993K Wheel Loaders |
|---|---|---|
| Type | Wheel Loader | Wheel Loader |
| Horsepower | 638.3 kW (856 hp) | 725.6 kW (973 hp) |
| Weight | 107201.9 kg (236340 lbs) | 133660.0 kg (294670 lbs) |
| Tipping Capacity | 65671.0 kg (144780 lbs) | 84540.5 kg (186380 lbs) |
| Max Speed | 17.5 km/h (10.9 mph) | 21.9 km/h (13.6 mph) |
| Engine Model | SAA12V140E-3 | Cat C32 with ACERT Technology |
| No Of Cylinders | 12 | 12 |
| Aspiration | Turbocharged and Aftercooled | — |
| Displacement | 30480.0 cc (1860 cu in.) | 32102.3 cc (1959 cu in.) |
| Alternator Supplied Amperage | 90 amps | 150 amps |
| Operating Voltage | 24 V | 24 V |
| Rated Speed | 2050 RPM | — |
| Net Power | 638.3 kW (856 hp) | 725.6 kW (973 hp) |
| Gross Power | 671.1 kW (900 hp) | 783.0 kW (1050 hp) |
| Fuel Capacity | 1555.0 l (410.8 gal) | 2063.0 l (545 gal) |
| Engine Oil Capacity | 130.2 l (34.4 gal) | 121.1 l (32 gal) |
| Cooling Capacity | 337.3 l (89.1 gal) | 318.0 l (84 gal) |
| Hydraulic System Capacity | 725.3 l (191.6 gal) | 185.5 l (49 gal) |
| Transmission Oil Capacity | 140.1 l (37 gal) | 170.3 l (45 gal) |
| Differential Front Capacity | 360.4 l (95.2 gal) | 481.9 l (127.3 gal) |
| Differential Rear Capacity | 360.4 l (95.2 gal) | 481.9 l (127.3 gal) |
| Transmission Type | Power shift | Power shift |
| No of Forward Gears | 3 | 3 |
| No of Reverse Gears | 3 | 3 |
| Rear Axle Oscillation | 22 ° | — |
| Max Speed (Forward) | 17.5 km/h (10.9 mph) | 21.9 km/h (13.6 mph) |
| Max Speed (Reverse) | 17.7 km/h (11 mph) | 24.1 km/h (15 mph) |
| Pump Flow | 315.3 LPM (83.3 GPM) | — |
| Relief Pressure | 343.2 bar (4977 psi) | 295.0 bar (4278 psi) |
| Raise Lift Arms | 11.2 sec | 9.4 sec |
| Lower Lift Time | 4.8 sec | 6.7 sec |
| Bucket Dump Time | 2 sec | 2.1 sec |
| Operating Weight | 107201.9 kg (236340 lbs) | 133660.0 kg (294670 lbs) |
| Tipping Load | 65671.0 kg (144780 lbs) | 84540.5 kg (186380 lbs) |
| Bucket Capacity (Heaped) | 13.0 m³ (17 cu yds) | 13.0 m³ (17 cu yds) |
| Bucket Capacity (Struck) | 11.0 m³ (14.4 cu yds) | 10.0 m³ (13.1 cu yds) |
| Bucket Width | 487.7 cm (192 in) | 518.2 cm (204 in) |
| Breakout Force | 67898.2 kg (149690 lbs) | 72375.1 kg (159560 lbs) |
| Reach At Max Lift And Dump | 243.8 cm (96 in) | 243.8 cm (96 in) |
| Dump Clearance At Max Raise | 457.2 cm (180 in) | 457.2 cm (180 in) |
| Turning Radius | 1097.3 cm (432 in) | 1097.3 cm (432 in) |
| Wheelbase | 548.6 cm (216 in) | 579.1 cm (228 in) |
| Bucket Hinge Pin | 701.0 cm (276 in) | 701.0 cm (276 in) |
| Cab Height | 518.2 cm (204 in) | 609.6 cm (240 in) |
| Overall Length | 1463.0 cm (576 in) | 1524.0 cm (600 in) |
| Ground Clearance | 61.0 cm (24 in) | 61.0 cm (24 in) |
| Width Over Tires | 457.2 cm (180 in) | 518.2 cm (204 in) |
| Tire Size | 45 /65-45 | 50 / 65R51 |
| Emissions | — | U.S. EPA Tier 4 Final |
| Torque Rise | — | 33 % |
| Stroke | — | 16.3 cm (6.4 in) |
| Bore | — | 14.5 cm (5.7 in) |
| Crankcase | — | 120.0 l (31.7 gal) |
| Articulation Angle | — | 43 ° |
| Pump type | — | 3 x (Fully variable) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

