Uploaded April 2026 | Updated September 2026, 2 weeks ago
Depending on the machine configuration, the hydraulic track drive system on 857/877 carriers is either open loop or closed loop. The letter X in the model signifies closed loop. Watch this video to learn more about these two systems.
Depending on the machine configuration, the hydraulic track drive system on 857/877 carriers is either open loop or closed loop. The letter X in the model signifies closed loop. Watch this video to learn more about these two systems.










