56B-57-11113 SEAT ASS’Y for KOMATSU HM250/HM300/HM400
56B-57-11113 Seat Assembly is a Komatsu operator seat designed for heavy-duty dump truck applications. Komatsu's Genuine air-suspension seat technology helps isolate vibration and adapt to operator weight changes, supporting a smoother and more comfortable operating environment during continuous machine movement. The assembly is suitable for demanding mining, quarry, construction, and heavy earthmoving applications.
Complete Seat Assembly: 56B-57-11113 is a Komatsu Seat Assembly designed for operator cab applications on heavy-duty dump trucks.
Air Suspension Design: Komatsu Genuine air-suspension seat technology helps isolate machine vibration and provides a smoother operating environment.
Operator Comfort: The seat is designed to accommodate operator weight changes and continuous machine movement during demanding work cycles.
Reduced Operator Fatigue: Improved ergonomics and seating support can contribute to a more comfortable working environment during long operating shifts.
Heavy-Duty Construction: Suitable for demanding haulage applications in mines, quarries, construction sites, and large earthmoving projects.
Complete Replacement Solution: Ideal for replacing worn, damaged, or aged operator seating components and restoring cab functionality.
Compatible Machine
The 56B-57-11113 Seat Assembly is a Komatsu Genuine cab component. Available Komatsu parts information confirms applications including HM300-1, HM300-2, HM400-1, and HM400-2. Parts catalog information for the HM400-3R also lists 56B-57-11113 as the complete Seat Assembly for specified serial-number ranges.
For HM250, HM300, and HM400 orders, customers should provide the complete machine model and serial number. This is especially important because operator-seat configurations can vary between machine generations and serial-number ranges.
Applications
The 56B-57-11113 Seat Assembly is suitable for heavy equipment working environments, including:
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
It is particularly suitable for articulated dump trucks and heavy-duty haulage equipment working on rough terrain, mine sites, quarry roads, construction projects, and large earthmoving operations.
Why Choose YLCM?
YLCM provides construction and mining machinery parts for customers worldwide, including Komatsu cab components and operator seating solutions.
20+ Years Experience
Large Warehouse
Fast Delivery
Genuine & OEM Parts
Export to 60+ Countries
Professional Technical Support
For Komatsu seat assemblies, YLCM can help verify the correct part number according to the machine model, serial number, and existing component information.
Packaging
The Seat Assembly is professionally packed for international transportation. Depending on the order quantity and shipping requirements, packaging may include standard export cartons, heavy-duty wooden cases, moisture-proof protection, shock-proof protection, and secure fixing.
The packaging is designed to help protect the seat structure, suspension components, and upholstery from impact, moisture, and handling damage during transportation.
Shipping
YLCM offers flexible international transportation solutions based on destination, cargo characteristics, order quantity, and delivery requirements.
Available options include:
Sea Freight
Railway Transportation
Land Transportation
Multimodal Logistics Solutions
Our logistics team can coordinate a suitable shipping solution after confirming the destination country and cargo details.
Frequently Asked Questions
Q1: What is 56B-57-11113? A: 56B-57-11113 is a Komatsu Genuine Seat Assembly for heavy equipment operator cabins.
Q2: Which Komatsu machines use 56B-57-11113? A: Available parts information confirms applications including HM300-1, HM300-2, HM400-1, and HM400-2. It is also listed in the HM400-3R parts catalog for specified serial numbers.
Q3: Does the seat use air suspension? A: Yes. Komatsu describes its Genuine air-suspension seat technology as helping isolate vibration and adjust to operator weight changes caused by continuous machine movement.
Q4: Is 56B-57-11113 a complete seat assembly? A: Yes. Komatsu identifies 56B-57-11113 as a Seat Assembly. HM400-3R parts information also lists it as a complete Seat Assembly with related seat, suspension, adjustment, and support components.
Q5: Can YLCM supply Genuine and OEM alternatives? A: Yes. YLCM can provide Genuine, OEM, and high-quality aftermarket solutions according to availability and customer requirements.
Q6: How can I confirm whether it fits my machine? A: Please provide the machine model, serial number, original seat part number, and photos if available. Our technical team can check the application before quotation.
Q7: Can YLCM supply other Komatsu dump truck parts? A: Yes. We can supply cab parts, seats, HVAC components, hydraulic parts, engine parts, transmission components, electrical parts, suspension components, and other Komatsu spare parts.
Request a Quote
For 56B-57-11113 Seat Assembly, please send us your machine model, serial number, required quantity, and destination country. YLCM can verify compatibility and provide the latest quotation, availability, lead time, export packaging, shipping solution, and technical support.