Model: WP13
Part Number: 1000701438
Brands: Weichai Power
Engine Model: WP13, WP13.480, WP13.500, WP13.550, WP13.580
Engine Type: Diesel
Scope of application: heavy haulage trucks, mining dump trucks, construction machinery, generator sets
In a 13-litre diesel, valve timing decides how much air the turbo can push into the cylinder and how cleanly the exhaust leaves it. The camshaft is the mechanical memory of that timing: its lobes open the valves at fixed points, and the profile determines lift and duration. Part 1000701438 is the camshaft for the Weichai WP13 range, carrying intake and exhaust lobes plus the drive gear for the injection pump.
Because the shaft is buried inside the block, camshaft problems are usually discovered late, after the valve cover comes off or after a compression test shows uneven results. By then a worn lobe has often damaged the lifter and contaminated the oil with hardened steel particles.
The shaft fits WP13 road and industrial engines. Typical installations are HOWO and Shacman heavy tractor units, mining dump trucks, large wheel loaders and generator sets. The WP13 shaft is not the same as the WP12 or WD618 part, and the pump drive gear differs between production batches. Match the old part number and engine plate before ordering.
Shafts ship oiled and sleeved in a rigid tube. If you want bearings and a thrust plate fitted before delivery, tell us at the time of order.
If lift is low, the lobe is worn and the shaft must be replaced. Adjusting clearance will not recover a flattened lobe.
Avoid long idling during break-in. At idle, oil splash to the lobes is minimal and a new cam can scuff within minutes.
Confirm the part number stamped on the old shaft, the engine rating and the injection pump type. A shaft from a different rating may physically fit but will change valve timing, emissions and fuel consumption. For fleets, keep one shaft and one lifter set in stock; a camshaft failure otherwise stops a truck for a week.
Oil quality and valve clearance determine camshaft life. Use the specified grade, change it at the severe-duty interval and check clearances at every major service. Keep the breather clean so oil mist does not carry abrasive dust into the valve chamber, and replace the timing gears if they show wear, because a slack gear train hammers the lobes.
WP13 camshafts are easy to confuse with WP12 and WD618 shafts because the block castings look similar from outside. Check the part number stamped on the shaft and the number on the engine plate before ordering. The lobe profiles differ between ratings and the injection pump drive gear is not interchangeable, so a visually similar shaft can change timing and power output.
If the engine has been rebuilt with a later cylinder head, tell us the head casting number. Valve train geometry can shift slightly between production batches, and matching the shaft to the head avoids noisy operation and premature lobe wear.
Camshafts are long and easily bent, so they ship in rigid tubes with the journals protected. If you consolidate the shaft with a cylinder block or a set of liners, we load the heavy items first and secure the tube so it cannot flex in the container. Stock shafts normally leave the warehouse within three to five working days.
Yes. Used lifters have a matched wear pattern and will scuff a new lobe quickly.
Always. Verify with a dial gauge or timing pin after fitting the shaft.
The shaft is supplied with its drive gear fitted. A bare shaft is available on request.
No. The profile and drive gear differ, and the engine will not run correctly.
See the Weichai camshaft category, and pair this shaft with the WP13 cylinder head 1000721713 or the WP13 cylinder block 612700010001.
Weichai WP13 Camshaft (1000701438). Valve events and, where fitted, pump timing are set by this shaft. Its journals also carry the oil feed to the top end, so wear here can starve the valve train.
Check the lifter faces as well as the lobes. A dished lifter has already lost its crown and will destroy a new shaft even if the camshaft itself looks serviceable.
Numbers beginning 1000 come from the newer numeric series used for assemblies and later-production parts. This series replaced several earlier numbers, so a cross-reference check is worthwhile. On this engine, confirm the WP13 application against the engine plate before ordering.
Run the break-in procedure rather than idling: bring the engine to the specified speed promptly and hold it. Idle gives the least oil flow to the camshaft at the exact moment the surfaces are bedding in.
Ordering note. Mixed pallets are accepted, so a single order can carry the block, the gasket set and the small seals together instead of arriving in three shipments.
Related reading: Camshaft and Lifter Wear: Diagnosis and Replacement
| We Are 30 Years Diesel Engine Parts Supplier | |
| Brand | EPID |
| Warranty | 12 Months |
| Condition | 100%New |
| More Models | Weichai: WP13, WP13.480, WP13.500, WP13.550, WP13.580, and other Weichai series. |
| Shipping | By sea / air / express (DHL, FEDEX, TNT, UPS, EMS) |
| Packing | Standard exporting packing or as required |
| Payment Term | L/C, T/T, Western Union, Trade Assurance |
| Delivery Time | 3-7 days (depend on order) |
| Selling Point | 1. On-time Delivery 2. Genuine Quality Assurance 3. Professional Supplier |
Shafts ship oiled and sleeved in a rigid tube. If you want bearings and a thrust plate fitted before delivery, tell us at the time of order.
If lift is low, the lobe is worn and the shaft must be replaced. Adjusting clearance will not recover a flattened lobe.
Avoid long idling during break-in. At idle, oil splash to the lobes is minimal and a new cam can scuff within minutes.
Confirm the part number stamped on the old shaft, the engine rating and the injection pump type. A shaft from a different rating may physically fit but will change valve timing, emissions and fuel consumption. For fleets, keep one shaft and one lifter set in stock; a camshaft failure otherwise stops a truck for a week.
Oil quality and valve clearance determine camshaft life. Use the specified grade, change it at the severe-duty interval and check clearances at every major service. Keep the breather clean so oil mist does not carry abrasive dust into the valve chamber, and replace the timing gears if they show wear, because a slack gear train hammers the lobes.
WP13 camshafts are easy to confuse with WP12 and WD618 shafts because the block castings look similar from outside. Check the part number stamped on the shaft and the number on the engine plate before ordering. The lobe profiles differ between ratings and the injection pump drive gear is not interchangeable, so a visually similar shaft can change timing and power output.
If the engine has been rebuilt with a later cylinder head, tell us the head casting number. Valve train geometry can shift slightly between production batches, and matching the shaft to the head avoids noisy operation and premature lobe wear.
Camshafts are long and easily bent, so they ship in rigid tubes with the journals protected. If you consolidate the shaft with a cylinder block or a set of liners, we load the heavy items first and secure the tube so it cannot flex in the container. Stock shafts normally leave the warehouse within three to five working days.
See the Weichai camshaft category, and pair this shaft with the WP13 cylinder head 1000721713 or the WP13 cylinder block 612700010001.
Yes. Used lifters have a matched wear pattern and will scuff a new lobe quickly.
Always. Verify with a dial gauge or timing pin after fitting the shaft.
The shaft is supplied with its drive gear fitted. A bare shaft is available on request.
No. The profile and drive gear differ, and the engine will not run correctly.
EPID supplies diesel engine parts for Weichai, Baudouin, Yuchai, Caterpillar, Sinotruk, FAW Xichai and Cummins engines. Every order is checked against the original part number before packing, and our team can identify a part from a photo of the engine plate. Ask for a quotation with your model and quantity and we will reply within one working day.
