Komac Backhoe Loaders

Komac Backhoe Loader – Next Generation (Perkins 1104D‑44TA)

Manufacturer: Korea Machine Co., Ltd.

Transmission: Carraro TLB1 synchro‑shuttle, 4‑speed fully synchromesh gearbox, integral torque converter.

Engine:

• Model: Perkins 1104D‑44TA, 4‑cylinder, 4‑stroke, water‑cooled, turbocharged, after‑cooled.
• Displacement: 4.4 L
• Gross Power: 100 HP (74.5 kW) @ 2200 rpm
• Max Torque: 410 Nm @ 1400 rpm

Hydraulics:

• System Pressure: 250 bar
• Pump Flow: 160 L/min at 2200 rpm
• Filtration: Suction strainer + return line filter

Steering:

• Working Pressure: 175 bar
• Load‑sensing axial piston pump

Electrical System:

• Battery: 12 V, 180 Ah
• Alternator, full road lighting

Tyres:

• Front: 12.5 x 18 – 12 PR
• Rear: 16.9 x 28 – 12 PR (Industrial)

Brakes:

• Service Brakes: Hydraulically actuated, dual‑line, self‑adjusting, oil‑immersed multi‑disc type on rear axle
• Parking Brake: Hand‑operated, disc type

Travel Speed (F/R, standard tyres, zero torque converter slip @ 2200 rpm):

• 1st Gear: 5.79 km/h
• 2nd Gear: 9.26 km/h
• 3rd Gear: 20.73 km/h
• 4th Gear: 40.4 km/h

Capacities:

• Hydraulic System: 100 L
• Fuel Tank: 130 L
• Engine Coolant: 20 L
• Engine Oil: 14 L
• Transmission: 19.5 L
• Rear Axle: 17.5 L
• Front Axle (4WD): 9.1 L

Operating / Shipping Weight: 8,400 kg

Performance – Backhoe Section

• Max Dig Depth: 4.91 m (16 ft 1 in)
• Reach at Ground (to rear wheel centre): 7.36 m
• Reach at Ground (to slew centre): 6.01 m
• Max Load Over Height: 4.09 m
• Side Reach: 6.49 m
• Max Working Height: 6.10 m
• Bucket Rotation (Power): 192°
• Bucket Tear‑Out Force: 6,377 kgf
• Dipper Tear‑Out Force: 3,460 kgf
• Standard Bucket Capacity: 0.24 m³
• Standard Bucket Width: 0.72 m

Performance – Loader Section

• Dump Height: 3.01 m
• Load Over Height: 3.55 m
• Pin Height: 3.72 m
• Pin Forward Reach: 0.47 m
• Reach at Ground: 1.70 m
• Max Reach at Full Height: 1.30 m
• Reach at Full Height (Dump): 0.93 m
• Rollback at Ground: 20°
• Dump Angle: 46°
• Clam Shovel Dump Angle: 45°
• Below Ground Level Dig Depth: 0.20 m
• Shovel Breakout Force: 7,628 kgf
• Loader Arm Breakout Force: 5,776 kgf
• Payload: 1,900 kg
• Lift Capacity at Full Height: 3,140 kg
• Loader Bucket Capacity: 1.0 m³

Dimensions

• Overall Length: 6.22 m
• Wheelbase: 2.22 m
• Slew Centre to Rear Axle Centre: 1.34 m
• Minimum Ground Clearance: 0.30 m
• Height to Top of Cab: 2.84 m
• Overall Height: 3.86 m
• Track Width (Front): 1.78 m
• Width Over Bucket: 1.92 m
• Track Width (Rear): 2.38 m

Options

• Multipurpose Shovel (1 m³)
• Excavator Buckets: 0.12 / 0.18 / 0.27 / 0.30 m³
• Ditch Cleaning Bucket
• Taper Ditch Bucket
• Rock Breaker
• Extendable Dipper
• SRS (Smooth Ride System)
• Heavy‑duty Rear Tyres: 14 x 25