D6D crankshaft 20459146 is a repair part suitable for diesel engine overhaul.
The 20459146 crankshaft is suitable for the D6D diesel engine and is a core rotating component of the engine. As a core rotating component, it converts the reciprocating motion of the piston into rotational power, making it suitable for heavy-duty applications in construction machinery.
Technical Parameters
| Structure Type |
Forged Steel Crankshaft |
| Material |
Forged Steel |
| Weight |
Approx. 65-70 kg |
| Surface Treatment |
Heat Treatment/Grinding Finish |
| Weight |
61.1kg |
| Dimensions |
92∗25∗26cm |
Applicable Scenarios
Crankshaft wear or bending after engine disassembly and inspection
Severe engine vibration or main bearing damage
Overhauling the engine and replacing the crankshaft
Repairing internal parts of engines in construction machinery, excavators, loaders, etc.
We provide related accessories
| Crankshaft and Connecting Rod System |
| Crankshaft, main bearings, thrust washers, connecting rods, connecting rod bearings, connecting rod bolts, pistons, piston rings, piston pins, circlips, cylinder liners |
| Cylinder Block and Cylinder Head System |
| Cylinder block, cylinder head, valves, valve guides, valve seats, valve springs, valve stem seals, rocker arms, rocker arm shafts, camshafts, tappets, pushrods |
| Timing and Transmission System |
| Timing chain, timing gears, tensioner, idler pulley |
| Lubrication System |
| Oil pump, oil cooler, oil filter, oil pan |
| Fuel System |
| Injectors, high-pressure fuel pump, fuel pump Fuel filter, common rail |
| Intake and Exhaust Systems |
| Intake manifold, exhaust manifold, turbocharger, intercooler |
| Cooling System |
| Water pump, thermostat, radiator, fan |
| Electrical System |
| Starter motor, alternator, various sensors |
| Sealing and Repair Kit |
| Complete gasket repair kit |
Product Showcase

The D6D engine is suitable for the following machinery and equipment:EC210BLC / EC240BLC / EC290BLC / L90E / L110E / L120E / G930 / G940 / SD100D / SD115D


Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Crankshaft compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Q6: What causes a crankshaft to fail?
A6: Crankshaft failure is usually caused by poor... lubrication, bearing damage, or engine overload.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.