Texas Construction Jobsite 2025-10-03 — 6D110 Engine Rebuild Kit with Komatsu Piston 6138-31-2010/2110, Liner 6138-21-2211, Ring Set 6138-32-2200, Square-Base 62 mm for Heavy-Duty Excavator Overhaul

Texas Construction Jobsite 2025-10-03 — 6D110 Engine Rebuild Kit with Komatsu Piston 6138-31-2010/2110, Liner 6138-21-2211, Ring Set 6138-32-2200, Square-Base 62 mm for Heavy-Duty Excavator Overhaul

Custom-Built 6D110 Cylinder Kits — Source-Factor Direct Export from Honour Time Machinery Limited

Title: Texas Jobsite 6D110 Engine Parts — Komatsu 6138-31-2010/2110 Piston, 6138-21-2211 Liner, 6138-32-2200 Ring Set, Square-Base 62 mm | 2025-10-03

Description: Complete OEM-grade 6D110 rebuild kit for Komatsu excavators. Features piston 6138-31-2010/2110, cylinder liner 6138-21-2211, piston ring 6138-32-2200, 62 mm square-base design. Stock in Houston & Shenzhen, 24-hr quote, global freight.

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When your Komatsu PC300-7, PC350-8 or WA380-3 clocks high hours under the Lone-Star sun, you need bullet-proof components. Honour Time Machinery Limited now stocks the 6D110 complete upper engine kit ready for Texas jobsites. The kit stars the forged aluminium piston 6138-31-2010/2110 (110 mm bore, 62 mm square-base skirt), matched to centrifugal-cast cylinder liner 6138-21-2211 and nitride piston ring set 6138-32-2200. Every part is machined to Komatsu’s original spec, balancing blow-by control, oil economy and thermal endurance for 12,000-plus hours.

Why Texas contractors choose us: Same-day Houston pick-up, Shenzhen factory direct pricing, and 25-year experience on Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, Weichai engines. Beyond pistons and liners we also ship crankshafts, main & rod bearings, thrust washers, complete gasket overhaul kits, cylinder heads, turbochargers, fuel injection pumps, injectors, water pumps, oil pumps, connecting rods—every component needed for a field or shop rebuild.

Click to call: +86 135 3237 9052 | Email: [email protected]

Need custom ductile-iron liners for a special bore, plateau-honed finish or flame-ring coating? Honour Time’s in-house foundry and CNC cell deliver OEM-quality specials in 15–20 days, MOQ 1 set, export-packed, certified.

Parts glossary (used on actual engines):
   1. Cylinder liner 6138-21-2211 – press-fit into Komatsu 6D110 block on PC300-7 excavator.
   2. Piston 6138-31-2010 – aluminium, oil-cooled, mounts on same PC300-7.
   3. Piston ring 6138-32-2200 – three-piece set, top ring plasma-coated, fits above piston.
   4. Main bearing 6138-21-8110 – located in 6D110 crankcase, supports crankshaft.
   5. Thrust washer 6138-21-8050 – controls end-float of crank in 6D110.
   6. Overhaul gasket kit 6138-K2-9901 – full lower & upper set for WA380-3 wheel loader.
   7. Fuel injection pump 6138-71-1110 – Bosch P-type, mounts to 6D110 front housing.
   8. Injector nozzle 6138-11-3130 – five-hole, 155° spray, screws into cylinder head.
   9. Turbocharger 6138-82-8210 – Hitachi HX35 frame, bolts to exhaust manifold on SAA6D110.
   10. Water pump 6138-62-1100 – centrifugal, belt-driven, cools 6D110 in D65EX-12 dozer.

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Honour Time Machinery Limited – 25 years powering your engines. From a single 6138-31-2010 piston to a full 6D110 long-block, we keep Texas—and the world—moving.