Contents
Dimensions
| Hidromek 102B Maestro | Telescopic Arm (extended) |
|---|---|
| S. Reach at Full Height Fully Dumped | 40.6 in (1030 mm) |
| T. Dig Depth | 6.1 in (155 mm) |
| U. Roll Back at Ground | 44° |
| V. Dump Angle | 45° |
| Y. Front Wheel Center to Ground | 20.1 in (510 mm) |
| Z. Departure Angle | 18° |
| W. Rear Wheel Center to Ground | 25.1 in (638 mm) |
| X. Distance Between Pin Center and Ground | 9.8 in (250 mm) |
| AA. Overall Length | 234.8 in (5965 mm) |
| BB. Axle Centerline Distance | 88.2 in (2240 mm) |
| CC. Slew Centre to Rear Axle Center Distance | 53.1 in (1348 mm) |
| DD. Stabiliser Feet Clearance | 12.1 in (308 mm) |
| EE. Kingpost Clearance | 17.3 in (440 mm) |
| FF. Steering Wheel Centre Height | 80.7 in (2050 mm) |
| GG. Cab Roof Height | 117.7 in (2990 mm) |
| HH. Total Travel Clearance | 139.8 in (3550 mm) |

Backhoe Performance
| HMK 102B Maestro | Standard Arm | Telescopic (extended) | Telescopic (retracted) |
|---|---|---|---|
| A. Max Digging Depth | 175.9 in (4468 mm) | 228.1 in (5793 mm) | 180.4 in (4583 mm) |
| B. Ground Level to Rear Wheel Centre | 274.0 in (6962 mm) | 323.4 in (8213 mm) | 278.0 in (7063 mm) |
| C. Ground Level to Slew Centre | 221.0 in (5614 mm) | 270.2 in (6864 mm) | 225.0 in (5714 mm) |
| D. At Full Height to Slew Centre | 84.4 in (2144 mm) | 127.0 in (3228 mm) | 92.8 in (2357 mm) |
| E. To Centre Line of Machine | 244.4 in (6206 mm) | 293.5 in (7456 mm) | 248.3 in (6307 mm) |
| F. Operating Height | 217.7 in (5530 mm) | 252.9 in (6422 mm) | 219.0 in (5564 mm) |
| G. Maximum Loader Height | 142.9 in (3630 mm) | 179.7 in (4565 mm) | 146.0 in (3708 mm) |
| H. Total Kingpost Travel | 46.7 in (1187 mm) | 46.7 in (1187 mm) | 46.7 in (1187 mm) |
| J. Bucket Rotation | 193° | 187° | 187° |

Loader Performance
| Hidromek 102B Maestro | 4-in-1 Bucket |
|---|---|
| K. Bucket Width | 96.1 in (2440 mm) |
| L. Rear Frame Width | 90.2 in (2292 mm) |
| M. Dump Height | 105.9 in (2690 mm) |
| N. Load Over Height | 128.3 in (3260 mm) |
| O. Loader Hinge Pin Height | 136.6 in (3470 mm) |
| P. Pin Forward Reach | 21.3 in (540 mm) |
| Q. Reach at Ground | 58.1 in (1476 mm) |
| R. Max Reach at Full Height | 56.7 in (1440 mm) |
| 4 in 1 Bucket Capacity | 1.4 yd3 (1.1 m3) |
| Bucket Breakout Force | 15880 lbf (70.6 kN) |
| Arm Breakout Force | 14359 lbf (63.9 kN) |
| Lifting Capacity to Max height | 6649 lb (3016 kg) |
| Max Lifting Capacity at 7’4” (2.23 m) | 8801 lb (3992 kg) |
| Max Lifting Capacity at 7’8” (2.33 m) | 8649 lb (3923 kg) |
Engine Details
| Engine Make | Perkins | John Deere |
|---|---|---|
| Engine Model | Perkins 1104C-44T | John Deere 4045HMK80 |
| Number of Cylinders | 4 | 4 |
| Displacement | 269 cu in (4.4 L) | 275 cu in (4.5 L) |
| Bore | 4.13 in (105 mm) | 4.17 in (106 mm) |
| Stroke | 5.00 in (127 mm) | 5.00 in (127 mm) |
| Gross Power | 100 hp (74.5 kw) | 99 hp (74 kw) |
| Power Measured @ | 2300 rpm | 2200 rpm |
| Peak Torque | 306 lb ft (415 Nm) | 299 lb ft (405 Nm) |
| Torque Measured @ | 1350 rpm | 1400 rpm |
| Aspiration | Turbocharged | Turbocharged |
| Emission Standards | US EPA Tier 2 + EU Stage II | US EPA Tier 3 + EU Stage IIIA |

Operational Specs
| Operating Weight (w/ standard boom) | 19621 lb (8900 kg) |
| Operating Weight (w/ telescopic boom) | 19952 lb (9050 kg) |
| Operating Voltage | 12 V |
| Alternator | 65 amps |
| Battery | 12 V, 165 Ah, heavy duty type |
| Starter | 12 V, 4 hp (3 kw) |
| Cab | ROPS + FOPS |
| HVAC | Advanced air-conditioning and ventilating system |
| Steering System | Full hydrostatic, load sensing |
| Front Tire Size | 16/70 – 20, 12 Ply Rating |
| Rear Tire Size | 16.9 – 28, 12 Ply Rating |
| Rear Tire Size (Optional) | 18.4 – 26, 12 Ply Rating |
Transmission
| Type | Autoshift ZF transmission for heavy duty service |
| Number of Gears | 5F / 3R |
| Torque Converter Stall Ratio | 2.87 : 1 |
| Max Travel Speed | 24.9 mph (40 km/h) |
| Drive | Electrically controlled 2WD or 4WD selection |
| Service Brakes | Self-adjusting, multi-disc oil bath type, hydraulically actuated brakes are located in the rear axle and act on 4 wheels |
| Parking Brake | Hand-lever operated mechanical brake acts on the rear axle differential. |
Axles
| Type | Heavy duty service type ZF axles |
| Reduction Gears | Planetary (4 gear) outboard type reduction gears |
| Front Axle | Total 16 degrees total oscillation on the front axle |
| Rear Axle | Equipped with LSD (Limited Slip Differential) and differential lock |

Hydraulic System
| Main Pump Type | Tandem gear pump |
| Main Pump Flow Capacity | 23.8 gal/min (90 L/min) |
| Relief Valve Pressure | 3336 psi (23000 kPa) |
| AUX Pump Flow Capacity | 16.9 gal/min (64 L/min) |
| AUX Relief Valve Pressure | 3046 psi (21000 kPa) |
| Hydraulic Oil Filtration | 10 micron oil filter |
| Valves | Anti-shock and anti-cavitation valves |
| Optional High Flow Hydraulics | Closed center regenerative flow sharing hydraulic system with axial piston pump |
| Optional High Flow Capacity | 43.1 gal/min (163 L/min) |
| Optional High Flow Valve Pressure | 3336 psi (23000 kPa) |
Service Refill Capacities
| Engine Model | Perkins 1104C-44T | John Deere 4045 HMK80 |
|---|---|---|
| Fuel Tank Capacity | 31.8 gal (120 L) | 38.3 gal (145 L) |
| Engine Oil Capacity (w/ filter) | 2.6 gal (10 L) | 2.9 gal (11 L) |
| Cooling System Capacity | 4.2 gal (16 L) | 4.9 gal (18.5 L) |
| Hydraulic Oil Tank Capacity | 18.5 gal (70 L) | 18.5 gal (70 L) |
| Transmission Oil Capacity | 4.1 gal (15.5 L) | 4.1 gal (15.5 L) |
| Front Axle Differential Fluid Capacity | 2 gal (7.6 L) | 2 gal (7.6 L) |
| Front Axle Hub Reducers (each) | 0.5 gal (2 L) | 0.5 gal (2 L) |
| Rear Axle Differential Fluid Capacity | 6.1 gal (23 L) | 6.1 gal (23 L) |