Kubota KX91-3 Mini Excavator


Kubota KX91-3 Dimensions

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 degrees

Kubota KX91-3 Mini Excavator Working Range

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 (with swing) 56.7 in (1440 mm)
Bucket Digging Force 8059 lbf (35.84 kN)

Swing Mechanism

Swing Speed 9.4 rpm
Boom Swing Angle LH / RH 80 / 50 degrees

Kubota KX91-3 Mini Excavator Specs

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)
Maximum Travel Speed: High 2.9 mph (4.8 km/h)
Maximum 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 4
Engine Make Kubota
Engine Model Kubota D1703-M-E3
Gross Power 28.2 hp (21.0 kw)
Net Power 26.9 hp (20.1 kw)
Power Measured @ 2250 rpm
Displacement 100.5 cu in (1.65 L)
Engine Type Vertical, water cooled 4-cycle diesel engine with indirect injection
Aspiration Naturally aspirated
Emission Standards EPA/CARB interim Tier 4 level

Kubota D1703-M-E3 Engine Specs

Electric System

Operation Voltage 12 V
Alternator 12 V, 360 W
Battery 12 V, 60 Ah
Starter 12 V, 1.2 kW

Kubota KX91-3 Specifications

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

Type 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 (0.323 kg/cm2) / 4.5 psi (0.313 kg/cm2) 4.7 psi (0.331 kg/cm2) / 4.6 psi (0.322 kg/cm2)

Kubota KX91-3 Service Refill Capacities

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)

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)

Kubota KX91-3 Blade Specs

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 degrees
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