Contents
Dimensions
| Overall Length | 187.4 in (4760 mm) |
| Overall Height | 96.0 in (2440 mm) |
| Overall Width | 61.0 in (1550 mm) |
| Tail Swing Radius | 51.6 in (1310 mm) |
| Ground Clearance | 11.6 in (295 mm) |
| Gradeability (Max Climbing Angle) | 20° |
Working Range
| Max Digging Height | 195.3 in (4960 mm) |
| Max Dumping Height | 139.2 in (3535 mm) |
| Max Digging Depth | 125.4 in (3186 mm) |
| Max Vertical Wall Digging Depth | 109.8 in (2790 mm) |
| Max Digging Reach at Ground Level | 201.9 in (5130 mm) |
| Max Digging Reach | 206.3 in (5240 mm) |
| Min Turning Radius (w/o swing) | 73.6 in (1870 mm) |
| Min Turning Radius (w/ swing) | 56.7 in (1440 mm) |
| Bucket Digging Force | 8059 lbf (35.84 kN) |
| Arm Digging Force | 3592 lbf (15.98 kN) |
Swing Mechanism
| Swing Speed | 9.4 rpm |
| Boom Swing Angle, LH | 80° |
| Boom Swing Angle, RH | 50° |
Undercarriage
| Shoe Type | Steel / Rubber |
| Shoe Size | 11.8 in (300 mm) |
| Track Gauge | 61.0 in (1550 mm) |
| Crawler Length | 78.7 in (2000 mm) |
| Tumbler Distance (Track Length on Ground) | 61.4 in (1560 mm) |
Drive System
| Max Traction Force | 5600 lbf (24.9 kN) |
| Max Travel Speed, High | 2.9 mph (4.8 km/h) |
| Max Travel Speed, Low | 1.9 mph (3.1 km/h) |
| Service Brake | Travel Negative Brake |
| Parking Brake | Auto House Parking Brake |
Engine Details
| Number of Cylinders | 3 |
| Engine Make | Kubota |
| Engine Model | Kubota D1703-M-E3 |
| Displacement | 100.5 cu in (1.647 L) |
| Bore | 3.43 in (87 mm) |
| Stroke | 3.64 in (92.4 mm) |
| Gross Power | 28.2 hp (21.0 kw) |
| Net Power | 26.9 hp (20.1 kw) |
| Power Measured @ | 2250 rpm |
| Peak Torque | 76.9 lb ft (104.3 Nm) |
| Torque Measured @ | 1600 rpm |
| Engine Type | Vertical, water cooled 4-cycle diesel engine |
| Combustion System | E-TVCS Indirect Injection |
| Fuel System | In-line pump |
| Aspiration | Naturally aspirated |
| Emission Standards | US EPA interim Tier 4 + EU Stage IIIA |
Electric System
| Operation Voltage | 12 V |
| Alternator | 12 V, 360 W |
| Battery | 12 V, 60 Ah |
| Starter | 12 V, 1.2 kW |
Hydraulic System
| Type | Load-sensing hydraulic system |
| Hydraulic Pump Type | 2x Variable capacity pump + 1x Gear pump |
| Max Hydraulic Oil Flow | 2x 10.9 gal/min (41.4 L/min) + 1x 5.5 gal/min (20.9 L/min) |
| Auxiliary Hydraulic Oil Flow | 10.9 gal/min (41.4 L/min) |
| Hydraulic Motor (Swing) | Hydraulic piston motor |
| Hydraulic Motor (Travel) | Hydraulic piston motor: 2F |
| Max Pressure Setting | 3485 psi (24000 kPa) |
Operating Weight
| Kubota KX91-3 | Rubber Shoes (Cab / Canopy) | Steel Shoes (Cab / Canopy) |
|---|---|---|
| Operating Weight | 7330 lb (3325 kg) / 7110 lb (3225 kg) | 7518 lb (3410 kg) / 7297 lb (3310 kg) |
| Ground Pressure | 4.6 psi (31.7 kPa) / 4.5 psi (31.0 kPa) | 4.7 psi (32.4 kPa) / 4.6 psi (31.7 kPa) |
Excavator Bucket
| Type | General Purpose |
| Bucket Capacity | 0.13 yd3 (0.1 m3) |
| Bucket Width (w/o side cutters) | 18.5 in (470 mm) |
| Max Bucket Breakout Force | 8059 lbf (35.84 kN) |
Dozer Blade
| Type | GP Blade | Angle Blade |
|---|---|---|
| Width | 61 in (1550 mm) | 61 in (1550 mm) |
| Height | 13.2 in (335 mm) | 15.2 in (385 mm) |
| Max Lift Above Ground | 14.6 in (370 mm) | 16.1 in (410 mm) |
| Max Drop Below Ground | 14.6 in (370 mm) | 18.5 in (470 mm) |
| Angle | – | 25° |
Service Refill Capacities
| Fuel Tank Capacity | 13.2 gal (50 L) |
| Engine Oil Capacity | 1.48 gal (5.6 L) |
| Cooling System Capacity | 1.59 gal (6.0 L) |
| Hydraulic System Capacity | 14.5 gal (55 L) |
| Hydraulic Tank Capacity | 9.5 gal (36 L) |
