Serial Number Information
The serial number plate is typically located on the front right side of the lower frame or near the operator platform on the frame rail.
Use your serial number to verify engine compatibility, auxiliary hydraulic specs, and undercarriage configurations.
Key Specifications
| Feature |
Specification |
| Engine |
Kubota V2607-CR-TE4, 4-cylinder diesel |
| Tier Compliance |
Tier 4 Final |
| Net Power |
47.6 HP (35.5 kW) @ 2,200 RPM |
| Operating Weight |
12,431 lbs (5,640 kg) |
| Bucket Capacity |
0.18 – 0.24 yd³ |
| Fuel Capacity |
Approx. 17.2 gal (65 L) |
Performance
| Feature |
Specification |
| Maximum Dig Depth |
12 ft 9 in (3.89 m) |
| Maximum Ground Reach |
20 ft 5 in (6.23 m) |
| Hydraulic Flow (Auxiliary) |
24.4 GPM (92.4 L/min) |
| Swing Speed |
9.3 RPM |
| Travel Speed (High/Low) |
2.9 mph / 1.7 mph (4.7 / 2.7 km/h) |
Key Features
Tier 4 Final Kubota Engine
The Kubota V2607-CR-TE4 delivers 47.6 HP with low emissions and high torque, perfect for tight commercial or municipal job sites where Tier 4 compliance is required.
Excavation Performance
With a dig depth of 12 ft 9 in and 20 ft 5 in of ground reach, the KX57 is a strong performer for trenching, utility lines, and foundation prep.
Auxiliary Hydraulics for Attachments
The 24.4 GPM auxiliary hydraulic flow powers augers, breakers, compactors, and thumbs, making this a versatile mini excavator in all trades.
Compact, Stable Frame
Its compact design and 12,431 lb weight ensure stability with minimal ground disruption—great for landscaping or urban trenching.
Common Replacement Parts
Keep your KX57 job-ready with reliable parts available at Broken Tractor:
Engine Components
Fuel injectors, turbochargers, oil coolers, thermostats, filters
Hydraulics
Auxiliary valves, boom/stick cylinders, hydraulic pumps, joystick kits
Undercarriage
Rubber tracks, sprockets, rollers, idlers, tensioner assemblies
Swing & Travel
Final drive motors, swing gearboxes, drive sprockets, speed sensors
Electrical & Cab
Ignition switches, display panels, throttle controls, seat kits
Maintenance Schedule
| Task |
Recommended Interval |
| Engine Oil & Filter |
Every 250 hours |
| Hydraulic Filter & Oil |
Every 500 hours |
| Fuel Filter Replacement |
Every 250 hours |
| Air Filter Cleaning/Replacement |
100–250 hours (dust conditions) |
| Track Tension Check |
Weekly or as needed |
| Swing Bearing Grease |
Every 50 hours |
