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Kessler produces axles and gearboxes for underground loaders (LHD) with payloads from 3 t - 20 t. Our up-box and drop-box transmissions offer special solutions for compact underground mining applications that optimize the performance and efficiency of underground loaders in underground mining and other compact underground environments.
| Model | Max. Payload |
| Brake Torque per Wheel End | Wheel Mounting BCD (bolt circle diameter) |
| D71PL478-NLB | 3 t | 20" | 15 kNm | 335 mm |
| D81PL489-NLB | 5 t | 24" | 33 kNm | 425 mm |
| D91PL408-NLB | 8 t | 25" | 50 kNm | 500 mm |
| D102PL341/528-NLB | 11 t | 25" | 70 kNm | 500 mm |
| D106PL341/528-NLB | 14 t | 25"/29" | 100 kNm | 500/605 mm |
| D111PL447/PL545-NLB | 20 t | 33" | 110 kNm | 605 mm |
| Model | Ratio | Max. Input torque | Motor connection | Input-Output Drop |
| U1200 | 1,00 | 1250 Nm | SAE 2 + SAE 3 | 350 mm |
| U1700 | 1,00 | 1700 Nm | SAE 2 + SAE 3 | 350 mm |
| U3000 | 1,00 | 3000 Nm | SAE 1 | 432 mm |
Axles and Transmissions for underground dump trucks play a crucial role in underground mining, thereby provide robust and efficient solutions for transportation of overburden and ore in challenging underground environments. Kessler produces axles as well as up-box and drop-box transmissions for underground dump trucks having payloads from 15 t - 65 t.
| Model | Max. Payload |
| Brake Torque per Wheel End | Wheel Mounting BCD (bolt circle diameter) |
| D71PL478-NLB | - | 20" | 15 kNm | 335 mm |
| D81PL489-NLB | 20 t | 24" | 33 kNm | 425 mm |
| D91PL408-NLB | 30 t | 25" | 50 kNm | 500 mm |
| D102PL341/528-NLB | 40 t | 25" | 70 kNm | 500 mm |
| D106PL341/528-NLB | 50 t | 25"/29" | 100 kNm | 500/605 mm |
| D111PL447/PL545-NLB | 65 t | 29" | 110 kNm | 605 mm |
| Model | Ratio | Max. Input Torque | Motor Connection | Input-Output Drop |
| U1200 | 1,00 | 1250 Nm | SAE 2 + SAE 3 | 350 mm |
| U1700 | 1,00 | 1700 Nm | SAE 2 + SAE 3 | 350 mm |
| U3000 | 1,00 | 3000 Nm | SAE 1 | 432 mm |
Kessler produces axles for shieldhaulers having payloads from 20 t - 80 t, scoops having payloads from 5 t - 15 t, dump trucks and utility vehicles for such applications as coal mining. These axles are specially designed for robust performance, optimum traction and higher capacities of payload, thereby meeting the requirements for coal mining operations in an efficient way.
The electrification of underground applications is one of the most important innovation drivers for electric drive systems. With the application-optimized e-mobility systems from Kessler + Co, you benefit from the advantages of a highly efficient drive train combined with increased dynamics and reduced serviceability requirements.
