Airman AX22U-4 Mini Excavator

Dimensions

Shipping Length 154.7 in (3930 mm)
Shipping Height 94.9 in (2410 mm)
Width to Outside of Tracks 57.1 in (1450 mm)
Ground Clearance 11.6 in (295 mm)
Tail Swing Radius 28.5 in (725 mm)

Working Range

Max Digging Depth 91.3 in (2320 mm)
Max Loading Height 113 in (2870 mm)
Max Digging Reach at Grade Level 163.8 in (4160 mm)
Max Vertical Wall Digging Depth 76 in (1930 mm)
Blade Width 57.1 in (1450 mm)
Max Blade Height 12.4 in (315 mm)
Max Blade Depth 9.8 in (250 mm)
Bucket Digging Force 4181 lbf (18.6 kN)
Arm Digging Force 2698 lbf (12.0 kN)

Undercarriage

Shoe Size 9.85 in (250 mm)
Shoe Adjustment Method Grease cushioning spring type
Length of Track on Ground 57.9 in (1470 mm)
Numbers of Track Rollers per Side 4
Numbers of Carrier Rollers per Side 1
Gradeability 47% (25°)
Max Traction Force 4519 lbf (20.1 kN)
Track Frame Welded track frame using selected materials
Side Frame Side frame welded to track frame
Ground Pressure 3.8 psi (26 kPa)

Engine Details

Number of Cylinders 3
Engine Make Yanmar
Engine Model Yanmar 3TNV76
Displacement 68.1 cu in (1.116 L)
Bore 3.00 in (76 mm)
Stroke 3.23 in (82 mm)
Gross Power 19.6 hp (14.6 kw)
Power Measured @ 2400 rpm
Fuel System Indirect Injection
Aspiration Naturally aspirated

Operational Specs

Operating Weight (Canopy) 4872 lb (2210 kg)
Operating Weight (Cab) 5181 lb (2350 kg)
Operator Station Canopy or Cab
Swing Speed 9.7 rpm

Buckets

Bucket Capacity (Standard) 0.09 yd3 (0.07 m3)
Bucket Width (Standard) 17.7 in (450 mm)
Bucket Digging Force 4181 lbf (18.6 kN)

Transmission

Type Automatic hydrostatic transmission. Each track driven by a 2-speed axial piston motor
Max Travel Speed, Low 1.7 mph (2.7 km/h)
Max Travel Speed, High 2.7 mph (4.4 km/h)
Parking Brake Parking brake is of the spring-set/hydraulic-released disc type

Hydraulic System

Pump Type 2x variable displacement axial piston pumps + 1x gear type pump
Pump Flow Capacity 12.5 gal/min (47 L/min)
Main Relief Valve Pressure 2988 psi (20600 kPa)

Service Refill Capacities

Fuel Tank Capacity 7.7 gal (29 L)
Engine Oil Capacity (w/ filter) 1.0 gal (3.8 L)
Cooling System Capacity 0.8 gal (3.1 L)
Hydraulic System Capacity 9.2 gal (35 L)
Hydraulic Tank Capacity 7.4 gal (28 L)
Travel Device Capacity (each) 0.16 gal (0.6 L)
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