As society’s demand for industrial minerals grows, so do your challenges. To support you, Komatsu offers the 12HM (Heavy-duty Miner) series continuous miner, that includes the 12HM26, 12HM27, 12HM36 and 12HM46. Engineered to help productively mine industrial minerals like trona, gypsum, potash and salt mines around the world. The flagship machine, the 12HM46, is the largest and most powerful continuous miner manufactured.
12HM26 | 12HM27 | 12HM36 | 12HM46 | |
Cutter head design |
Ripperveyor head |
Solid head | Ripperveyor head | Ripperveyor head |
Cutter head diameter |
1 475 mm |
1 200 mm 1 310 mm 1 376 mm |
1 475 mm | 1 475 mm 1 588 mm* |
Maximum cutting height |
3 830 mm 4 600 mm |
3 350 mm 3 960 mm 5 000 mm |
4 200 mm 4 600 mm |
3 500 mm 4 500 mm 5 500 mm 6 000 mm |
Minimum cutting height |
1 820 mm |
1 700 mm 2 100 mm 2 410 mm |
1 900 mm 2 400 mm |
1 860 mm 2 700 mm 2 800 mm 3 000 mm |
Weight |
95 255 kg | 86 180 kg | 117 935 kg | 154 220 kg |
Ground pressure |
231 kPa | 209 kPa | 269 kPa | 260 kPa |
Ground clearance | 305 mm | 305 mm | 305 mm | 305 mm |
Conveyor width | 965 mm | 965 mm | 965 mm | 965 mm |
Tram speed | First - 4.6 m/min Second - 9.1 m/min Third - 19.8 m/min |
First - 4.6 m/min Second - 9.1 m/min Third - 19.8 m/min |
First - 4.6 m/min Second - 9.1 m/min Third - 19.8 m/min |
First - 4.6 m/min Second - 9.1 m/min Third - 19.8 m/min |
Machine input voltage |
950 V @ 60 Hz |
950 V @ 60 Hz 2,300 V @ 60 Hz 4,160 V @ 50 Hz |
2,300 V @ 60 Hz 4,160 V @ 60 Hz 3,300 V @ 50 Hz |
2,300 V @ 60 Hz 4,160 V @ 60 Hz 3,300 V @ 50 Hz |
Cutter |
235 kW @ 950 V, 60 Hz |
240 kW @ 950 V, 60 Hz 245 kW @ 2,300 V, 60 Hz 245 kW @ 4,160 V, 60 Hz |
250 kW @ 2,300 V, 60 Hz 250 kW @ 4,160 V, 60 Hz 330 kW @ 3,300 V, 50 Hz |
250 kW @ 2,300 V, 60 Hz |
Pump |
40 kW |
40 kW | 70 kW @ 2,300 V, 60 Hz 70 kW @ 4,160 V, 60 Hz 55 kW @ 3,300 V, 50 Hz |
120 kW |
Gathering Head | 50 kW x 2 @ 60 Hz 45 kW x 2 @ 50 Hz |
50 kW x 2 @ 60 Hz 45 kW x 2 @ 50 Hz |
50 kW x 2 @ 60 Hz 45 kW x 2 @ 50 Hz |
50 kW x 2 @ 60 Hz 45 kW x 2 @ 50 Hz |
Total Power |
730 kW @ 950 V, 60 Hz |
740 kW @ 950 V, 60 Hz 750 kW @ 2,300 V, 60 Hz 750 kW @ 4,160 V, 60 Hz |
790 kW @ 2,300 V, 60 Hz 790 kW @ 4,160 V, 60 Hz 925 kW @ 3,300 V, 50 Hz |
841 kW @ 2,300 V, 60 Hz 841 kW @ 4,160 V, 60 Hz 1 251 kW @ 4,160 V, 60 Hz* 990 kW @ 3,300 V, 50 Hz |
*Optional, higher power cutterhead
12HM26 | 12HM27 | 12HM36 | 12HM46 | |
Cutter head design |
Ripperveyor head |
Solid head | Ripperveyor head | Ripperveyor head |
Cutter head diameter |
58 in |
47.2 in 51.5 in 54 in |
58 in | 58 in 62.5 in* |
Maximum cutting height |
12 ft. 6 in |
11 ft. 13 ft. 16 ft. 5 in |
13 ft. 9 in 15 ft. 1 in |
11 ft. 6 in |
Minimum cutting height |
6 ft. 2 in |
5 ft. 7 in 6 ft. 10 in 8 ft. |
6 ft. 3 in 7 ft. 10 in |
6 ft. 1 in 8 ft. 10 in 9 ft. 2 in 9 ft. 10 in |
Weight |
210,000 lbs. |
190,000 lbs. | 260,000 lbs. | 340,000 lbs. |
Ground pressure |
34 psi | 30 psi | 39 psi | 38 psi |
Ground clearance | 12 in | 12 in | 12 in | 12 in |
Conveyor width | 38 in | 38 in | 38 in | 38 in |
Tram speed | First - 15 fpm Second - 30 fpm Third - 65 fpm |
First - 15 fpm Second - 30 fpm Third - 65 fpm |
First - 15 fpm Second - 30 fpm Third - 65 fpm |
First - 15 fpm Second - 30 fpm Third - 65 fpm |
Machine input voltage |
950 V @ 60 Hz |
950 V @ 60 Hz 2,300 V @ 60 Hz 4,160 V @ 50 Hz |
2,300 V @ 60 Hz 4,160 V @ 60 Hz 3,300 V @ 50 Hz |
2,300 V @ 60 Hz 4,160 V @ 60 Hz 3,300 V @ 50 Hz |
Cutter |
315 HP @ 950 V, 60 Hz |
322 HP @ 950 V, 60 Hz 328 HP @ 2,300 V, 60 Hz 328 HP @ 4,160 V, 60 Hz |
335 HP @ 2,300 V, 60 Hz 335 HP @ 4,160 V, 60 Hz 442 HP @ 3,300 V, 50 Hz |
335 HP @ 2,300 V, 60 Hz |
Pump |
54 HP |
54 HP | 94 HP @ 2,300 V, 60 Hz 94 HP @ 4,160 V, 60 Hz 74 HP @ 3,300 V, 50 Hz |
161 HP |
Gathering Head | 67 HP x 2 @ 60 Hz 60 HP x 2 @ 50 Hz |
67 HP x 2 @ 60 Hz 60 HP x 2 @ 50 Hz |
67 HP x 2 @ 60 Hz 60 HP x 2 @ 50 Hz |
67 HP x 2 @ 60 Hz 60 HP x 2 @ 50 Hz |
Total Power |
978 HP @ 950 V, 60 Hz |
992 HP @ 950 V, 60 Hz 1,005 HP @ 2,300 V, 60 Hz 1,005 HP @ 4,160 V, 60 Hz |
1,059 HP @ 2,300 V, 60 Hz 1,059 HP @ 4,160 V, 60 Hz 1,238 HP @ 3,300 V, 50 Hz |
1,128 HP @ 2,300 V, 60 Hz 1,128 HP @ 4,160 V, 60 Hz 1,678 HP @ 4,160 V, 60 Hz* 1,325 HP @ 3,300 V, 50 Hz |
*Optional, higher power cutterhead
Life cycle management
Boost equipment performance throughout its life in the mine with our life cycle management program.