Dimensions
Overall Length |
216.5 in (5500 mm) |
Overall Width |
77.2 in (1960 mm) |
Overall Height |
100.4 in (2550 mm) |
Length of Track on Ground |
78.3 in (1990 mm) |
Ground Clearance |
12.2 in (310 mm) |

Working Range
A. Max Digging Height |
219.7 in (5580 mm) |
B. Max Dumping Height |
158.3 in (4020 mm) |
C. Max Digging Depth |
142.3 in (3615 mm) |
D. Max Vertical Digging Depth |
59.6 in (1515 mm) |
E. Max Digging Radius at Ground |
234.1 in (5945 mm) |
F. Max Digging Radius |
239.4 in (6080 mm) |
G. Min Turning Radius (w/o swing) |
96.8 in (2460 mm) |
G. Min Turning Radius (w/ swing) |
81.9 in (2080 mm) |
H. Min Tail Turning Radius |
41.1 in (1045 mm) |

Lift Capacity Over-Front
|
Lift Point Radius |
Lift Point Height |
12 ft |
16 ft |
Max |
10 ft |
2620 lb (1188 kg) |
– |
– |
8 ft |
2920 lb (1324 kg) |
2510 lb (1138 kg) |
2330 lb (1057 kg) |
4 ft |
3700 lb (1678 kg) |
2700 lb (1224 kg) |
2470 lb (1120 kg) |
Ground Level |
4070 lb (1846 kg) |
2750 lb (1247 kg) |
2570 lb (1165 kg) |
Lift capacity over-front dozer blade down: Kubota U55-4 with ROPS canopy + rubber crawler, without bucket.

Lift Capacity Over-Side
|
Lift Point Radius |
Lift Point Height |
12 ft |
16 ft |
Max |
10 ft |
2070 lb (939 kg) |
– |
– |
8 ft |
2010 lb (911 kg) |
1270 lb (576 kg) |
1190 lb (540 kg) |
2 ft |
1850 lb (839 kg) |
1220 lb (553 kg) |
1090 lb (494 kg) |
Ground Level |
1740 lb (789 kg) |
1180 lb (535 kg) |
1110 lb (503 kg) |

Weight
Blade Type |
Standard Blade |
U55-4 with Angle Blade |
Operating Weight, Rubber Tracks, Canopy / Cab |
11915 lb (5405 kg) / 12115 lb (5495 kg) |
12335 lb (5595 kg) / 12535 lb (5685 kg) |
Operating Weight, Steel Tracks, Canopy / Cab |
– |
12555 lb (5695 kg) / 12755 lb (5785 kg) |
Ground Pressure, Rubber Tracks, Canopy / Cab |
4.42 psi (30.5 kPa) / 4.51 psi (31.1 kPa) |
4.58 psi (31.6 kPa) / 4.65 psi (32.1 kPa) |
Ground Pressure, Steel Tracks, Canopy / Cab |
– |
4.66 psi (32.1 kPa) / 4.74 psi (32.7 kPa) |

Swing Mechanism
Type |
Tight tail swing compact excavator |
Swing Speed |
9.3 rpm |
Boom Swing Angle, Left |
70° |
Boom Swing Angle, Right |
55° |
Tail Swing Radius |
41.1 in (1045 mm) |
Swivel Brake |
Swivel motor with disc brake |

Undercarriage
Type of Tracks |
Rubber tracks |
Type of Tracks (Optional) |
Steel tracks |
Type of Track Rollers |
Double-flange track rollers |
Number of Track Rollers per Side |
5 |
Number of Carrier Rollers per Side |
1 |
Shoe Width |
15.7 in (400 mm) |
Undercarriage Width |
77.2 in (1960 mm) |
Crawler Length |
98.4 in (2500 mm) |
Tumbler Distance |
78.3 in (1990 mm) |
Max Climbing Angle |
20° (36%) |
Angle in Case of Crossing Slope |
15° (27%) |
Max Traction Force |
14480 lbf (64.4 kN) |

Dozer Blade
Kubota U55-4 |
Standard Blade |
Angle Blade |
Blade Width |
77.2 in (1960 mm) |
77.2 in (1960 mm) |
Blade Height |
16.1 in (410 mm) |
16.7 in (425 mm) |
Max Blade Lift Height |
17.3 in (440 mm) |
20.1 in (510 mm) |
Max Blade Dig Depth |
16.1 in (410 mm) |
18.3 in (465 mm) |
Angle, Left / Right |
|
±25° |
Engine Details
Number of Cylinders |
4 |
Engine Make |
Kubota |
Engine Model |
Kubota V2607-CR-E4 |
Displacement |
159.6 cu in (2.615 L) |
Bore |
3.43 in (87.0 mm) |
Stroke |
4.33 in (110 mm) |
Gross Power |
47.6 hp (35.5 kw) |
Net Power |
45.2 hp (33.7 kw) |
Power Measured @ |
2200 rpm |
Low Idle Speed |
1100 rpm |
Fuel System |
Common rail system |
Combustion System |
Direct Injection |
Air Cleaner |
Double-element air filter |
Aspiration |
Naturally aspirated |
Aftertreatment |
EGR + DPF |
Emission Standards |
US EPA Tier 4 |

Electrical System
Operating Voltage |
12 V |
Alternator |
60 amps |
Battery |
12 V, 95 Ah, CCA 830, 115D31L |
Starter |
12 V, 8 teeth, 2.68 hp (2.0 kw), OSGR |
Power Source |
12 V |

Operator Environment
Operator Station (Standard) |
ROPS / OPG (TOP Guard, Level Ⅰ) Canopy |
Operator Station (Optional) |
ROPS / OPG Cab with A/C |
Operator Seat |
Weight-adjustable high back full suspension seat |
Seat Belt |
Retractable seat belt |
Instrument Panel |
Digital Panel with Kubota’s Intelligent Control System (hour meter, coolant temperature, clock, fuel level, engine RPM, service mode, warning mode, max oil flow setting, etc) |
Operation History Record |
Operation history is automatically recorded on the Kubota U55-4 (up to 90 days) |
Working Lights (Standard) |
1x light on the boom |
Working Lights (Optional) |
2x working lights on cab / canopy + 1x light on the boom |
Controls |
Hydraulic pilot control levers with wrist rests |
Operating Patterns |
Convenient Two-pattern Selection System (TPSS) – change between ISO and SAE operating patterns |
Noise Level, LpA |
78 dB(A) |
Noise Level, LwA |
96 dB(A) |
Hand-Arm System Vibration |
<2.5 m/s2 |
Whole Body Vibration |
<0.5 m/s2 |
Drive System
Type |
2-speed hydrostatic transmission, auto-shift |
Max Travel Speed, Low |
1.8 mph (2.8 km/h) |
Max Travel Speed, High |
3.1 mph (4.9 km/h) |
Service Brakes |
Travel motor with disc brake |
Parking Brake |
The travel negative brake locks the tracks to prevent inadvertent movement of the excavator |

Hydraulic System
Pump Type |
2x variable displacement pumps + 1x gear pump |
Main Pump Flow |
2x 14.8 gal/min (2x 56.1 L/min) + 9.8 gal/min (37.0 L/min) |
AUX1 Pump Flow |
19.8 gal/min (75 L/min) |
AUX1 Max Pressure |
2988 psi (20600 kPa) |
AUX2 Pump Flow |
9.8 gal/min (37 L/min) |
AUX2 Max Pressure |
2770 psi (19100 kPa) |
Breakout Force, Bucket |
11177 lbf (49.7 kN) |
Breakout Force, Arm |
6261 lbf (27.8 kN) |
Kubota U55-4 Trenching Buckets
Type and Width |
Heaped Capacity |
Weight |
Teeth |
12 in (305 mm) |
2.6 ft3 (0.074 m3) |
210 lb (95 kg) |
3 |
16 in (406 mm) |
3.8 ft3 (0.108 m3) |
265 lb (120 kg) |
4 |
18 in (457 mm) |
4.4 ft3 (0.125 m3) |
305 lb (138 kg) |
4 |
24 in (610 mm) |
6.3 ft3 (0.178 m3) |
346 lb (157 kg) |
5 |
30 in (762 mm) |
8.2 ft3 (0.232 m3) |
395 lb (179 kg) |
6 |
36 in (914 mm) |
8.2 ft3 (0.232 m3) |
410 lb (186 kg) |
7 |
15 in (381 mm), Reversible |
3.28 ft3 (0.093 m3) |
270.9 lb (123 kg) |
3 |
24 in (610 mm), Reversible |
6.08 ft3 (0.172 m3) |
297.2 lb (135 kg) |
5 |
30 in (762 mm), Reversible |
8.07 ft3 (0.228 m3) |
329.9 lb (150 kg) |
5 |
Kubota U55-4 Ditching Buckets
Type and Width |
Heaped Capacity |
Weight |
36 in (914 mm) |
7.8 ft3 (0.221 m3) |
270 lb (122 kg) |
48 in (1219 mm) |
8.7 ft3 (0.246 m3) |
350 lb (159 kg) |
42 in (1067 mm) |
7.9 ft3 (0.224 m3) |
335 lb (152 kg) |
42 in (1067 mm) |
7.9 ft3 (0.224 m3) |
600 lb (272 kg) |
42 in (1067 mm), Reversible |
12.06 ft3 (0.341 m3) |
359.6 lb (163 kg) |
48 in (1219 mm), Reversible |
14 ft3 (0.396 m3) |
392.9 lb (178 kg) |
48 in (1219 mm), Tilting, ±45° Pivot Angle |
9.45 ft3 (0.267 m3) |
615 lb (279 kg) |

Service Refill Capacities
Fuel Tank Capacity |
20 gal (75 L) |
Engine Oil Capacity (w/ filter) |
2.38 gal (9 L) |
Cooling System Capacity (Canopy) |
2.0 gal (7.8 L) |
Cooling System Capacity (Cab) |
2.1 gal (8.1 L) |
Hydraulic System Capacity (w/ tank) |
20.9 gal (79 L) |
Hydraulic Tank Capacity |
11.9 gal (45 L) |
Drive Unit Fluid Capacity (each) |
0.1 gal (0.33 L) |
Kubota U55-4 Filters
Engine Oil Filter (Every 500 hours) |
HH1C0-32430 |
Breather Filter |
RD411-62150 |
Fuel Filter (Every 500 hours) |
HHV00-51920 |
Fuel/Water Separator (Every 1500 hours) |
RD159-51940 |
Fuel Filler Neck Filter |
11151-41350 |
Hydraulic Oil Filter, Return (Every 1000 hours) |
RD451-62120 |
Hydraulic Oil Filter, Suction (Every 1000 hours) |
RD451-62210 |
Hydraulic Oil Filter |
R1411-64930 |
Air Filter (Inner) |
R2401-42280 |
Air Filter (Outer) |
R1401-42270 |
Cab A/C Air Filter |
6A671-75090 |
Alternator Belt |
1G772-97010 |
Fan V Belt (Every 200 hours) |
1J731-97010 / RD451-53790 |