Contents
Working Range
| Volvo ECR28 Arm Size | 41.3 in (1050 mm) Dipper | 51.2 in (1300 mm) Dipper |
|---|---|---|
| Boom Length | 78.7 in (2000 mm) | 78.7 in (2000 mm) |
| Overall Length Of Unit | 157.5 in (4000 mm) | 157.5 in (4000 mm) |
| Overall Height Of Unit | 96.1 in (2440 mm) | 96.1 in (2440 mm) |
| Digging Depth | 93.7 in (2380 mm) | 103.5 in (2630 mm) |
| Max Digging Depth | 104.7 in (2660 mm) | 114.6 in (2910 mm) |
| Max Vertical Wall Digging Depth | 71.7 in (1820 mm) | 81.1 in (2060 mm) |
| Max Cutting Height | 155.5 in (3950 mm) | 161.0 in (4090 mm) |
| Max Loading Height | 111.8 in (2840 mm) | 116.9 in (2970 mm) |
| Max Reach | 176.0 in (4470 mm) | 185.0 in (4700 mm) |
| Max Reach at Ground Level | 170.5 in (4330 mm) | 180.3 in (4580 mm) |
| Arm Breakout Force | 3352 lbf(14.91 kN) | 2902 lbf (12.91 kN) |
| Bucket Breakout Force | 4649 lbf (20.68 kN) | 4649 lbf (20.68 kN) |
| Bucket Width | 19.7 in (500 mm) | 19.7 in (500 mm) |
Dimensions
| Length of Track on Ground | 56.7 in (1440 mm) |
| Width to Outside of Tracks | 61 in (1550 mm) |
| Height to Top of Cab | 96 in (2440 mm) |
| Height to Top of Canopy | 93.7 in (2380 mm) |
| Tail Swing Radius | 29.5 in (750 mm) |
| Removal Counterweight Clearance | 22.4 in (570 mm) |
| Ground Clearance | 11 in (280 mm) |
Undercarriage
| Shoe Size | 11.8 in (300 mm) |
| Track Gauge | 49.2 in (1250 mm) |
| Number of Track Rollers per Side | 3 |
| Number of Carrier Rollers per Side | 1 |
| Ground Pressure, Cab | 4.1 psi (28.5 kPa) |
| Ground Pressure, Canopy | 4.0 psi (27.5 kPa) |
Swing Mechanism
| Swing Speed | 10 rpm |
| Swing Brake | Automatic multi-disc brake |
| Absorption of Hydraulic Shocks | Shockless valve |
Dozer Blade
| Blade Width | 61 in (1550 mm) |
| Blade Height | 13.2 in (335 mm) |
| Max Dozer Blade Lift Height | 16.9 in (430 mm) |
| Max Dozer Blade Dig Depth | 19.6 in (498 mm) |
Engine Details
| Number of Cylinders | 3 |
| Engine Make | Volvo |
| Engine Model | Volvo D1.2 |
| Displacement | 68 cu in (1.116 L) |
| Bore | 3.0 in (76 mm) |
| Stroke | 3.2 in (82 mm) |
| Gross Power | 18.8 hp (13.8 kw) |
| Net Power | 18.3 hp (13.5 kw) |
| Power Measured @ | 2200 rpm |
| Peak Torque | 48.3 lb ft (65.5 Nm) |
| Torque Measured @ | 1600 rpm |
| Aspiration | Naturally aspirated |
| Emission Standards | US EPA Tier 4 Interium + EU Stage IIIA |
Operational Specs
| Operating Weight (Cab) | 6195 lb (2810 kg) |
| Operating Weight (Canopy) | 5908 lb (2680 kg) |
| Operating Voltage | 12 V |
| Alternator | 40 amps |
| Battery | 12 V, 65 Ah |
| Starter | 12 V, 1.5 hp (1.1 kw) |
| Noise Level (interior) | 79 dB(A) |
| Noise Level (exterior) | 93 dB(A) |
Drivetrain
| Type | 2-speed hydrostatic transmission |
| Hydraulic Motor Type | 2x axial piston hydraulic motors |
| Max Travel Speed, Low | 1.5 mph (2.4 km/h) |
| Max Travel Speed, High | 2.4 mph (3.8 km/h) |
| Max Tractive Force | 4946 lbf (22 kN) |
| Service Breakes | The travel control is automatically locked when the operator raises the left console |
Hydraulic System
| Type | Closed centre Load Sensing hydraulic system |
| Pump Type | Variable displacement load sensing pump + Gear pump |
| Pump Flow Capacity (equipment and travel circuits) | 17 gal/min (64.4 L/min) |
| Max Operating Pressure (equipment and travel circuits) | 3046 psi (21000 kPa) |
| Pump Flow Capacity (power assistance circuit) | 3.6 gal/min (13.8 L/min) |
| Max Operating Pressure (power assistance circuit) | 508 psi (3500 kPa) |
| Pump Flow Capacity (Double-acting circuit for accessories) | 11.9 gal/min (45 L/min) |
| Max Operating Pressure (Double-acting circuit for accessories) | 3046 psi (21000 kPa) |
| Control | Power-assisted hydraulic controls |
Service Refill Capacities
| Fuel Tank Capacity | 13 gal (49 L) |
| Engine Oil Capacity (w/ filter) | 0.9 gal (3.3 L) |
| Cooling System Capacity | 1.1 gal (4 L) |
| Hydraulic System Capacity (w/ tank) | 9.8 gal (37 L) |
| Hydraulic Tank Capacity | 4.8 gal (18 L) |
