tm40 travel assembly

Quick Answer The TM40 travel assembly is a cross-brand final drive unit for 18–25 ton excavators, engineered to fit Hyundai R210-7, Doosan DX225, Volvo EC210B, and Chinese brands including Sany, XCMG and LiuGong. It delivers high torque output with stable, reliable travel on steep slopes, mud and complex conditions, with an integrated two-speed and parking brake for smooth starts and stops. ...

Quick Answer A swing motor is the hydraulic motor that powers the excavator's upper-structure rotation. When choosing a replacement, confirm four things: the machine model and serial, the part number on the old motor's plate, the brake and relief-valve configuration, and whether you need a complete assembly (motor + reduction) or the motor only. RITO HYDRAULIC supplies complete, individually teste...

Quick Answer An excavator has two completely different hydraulic motors, and they are not interchangeable. The travel motor (final drive) sits in each track and moves the whole machine — forward, back and steering. The swing motor sits under the cab and rotates the upper structure (the house) through 360°. They use different housings, brakes and gear ratios, so ordering the wrong one was...

Quick Answer A travel motor (final drive) is one of the easiest parts on an excavator to get wrong — because two units can look identical while differing in orientation (left / right), reduction ratio, two-speed capability, brake type and mounting. Ordering by photo or by model name alone is how buyers end up with a motor that will not fit or will not perform. This guide gives you the fitmen...

Quick Answer This is a representative travel-motor repair case from the field (machine details anonymised). A 20-ton class excavator began pulling to one side and losing power on slopes. After ruling out the cheap causes, testing showed high case-drain flow and a hot final drive on the right track — the classic signature of an internally worn travel motor. The fix was a complete travel motor...

Quick Answer The control valve assembly is the "brain" of an excavator: it directs the pump's oil to every function. You must replace it when the body or bore is damaged, when a spool sticks or leaks internally beyond repair, when metal contamination has scored the valve, or when the valve has been rebuilt once already and failed again. You choose the right model by matching six points: machine mo...

Quick Answer MSF340 is a KYB (Kayaba) travel motor — also called a final drive motor — in the 340 size class, built for large excavators in the 60–90 tonne range. It is a dual-speed piston-type motor with a built-in parking brake, which is why it turns up on so many big machines. The short model name tells you the family and size; the exact fitment is decided by the machine's own...

Quick Answer 1. What is it? The PC300-8 control valve assembly — also called the main control valve or distribution valve — is the large, multi-section block that routes the main pump's oil to every function, sets priorities, limits system pressure and feeds the pump's control signal. On this machine it is a heavy casting: about 300 kg, packed 65 × 45 × 75 cm.2. What does i...