Hanchi Auto Parts
6144-61-1301 Water Pump Suitable for Komatsu 3D94-2A D20-5 High Quality
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6144-61-1301 belongs to the Komatsu cooling system parts family. The pump sits on 3D94-2A, D20-5, PC40-3 (3D94,4D94) and other listed engines. Our aftermarket equivalent follows the OE dimensions and passes air-tightness testing under a negative pressure of 0.1 MPa. It also replaces 6144-61-1500.
Which engines use the 6144-61-1301 water pump?
You will find this pump on 3D94-2A; D20-5; PC40-3 (3D94,4D94).
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 6144-61-1301?
| Parameter | Value |
| OE number | 6144-61-1301 |
| Fits brand | Komatsu |
| TO Belt pulley height | 121.7 |
| TO Shaft head height | 142.2 |
| Pulley Jumping | 0 |
| Mounting hole position | Aligned to OE mounting points |
| Belt pulley thread | 4-M8X1.25 |
| TO Impeller height Ⅰ | 20 |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Included Component 1 | KO114-WD-1 |
| Net weight of one | 6.08 |
| Net weight | 6.08 kg |
| Packing | 2 pcs/ctn, 14.20 kg gross |
What part numbers interchange with 6144-61-1301?
Dealers and fleet systems quote this pump under more than one OE number:
- 6144-61-1500
Packing and quality checks
Packing runs 2 pumps per carton, 14.20 kg gross weight, carton size 43.5 x 30 x 21 cm.
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does 6144-61-1301 fit?
6144-61-1301 fits 3D94-2A, D20-5, PC40-3 (3D94,4D94) and other listed engines. It is a Komatsu application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6144-61-1301?
6144-61-1301 interchanges with 6144-61-1500. All of these refer to the same water pump assembly.
Is 6144-61-1301 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 6144-61-1301 water pump weigh?
One pump weighs 6.08 kg net. A full carton of 2 pieces comes to 14.20 kg gross.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
OEM Avalible
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