Camshaft Without PTO is a precision‑ground component that controls the opening and closing of intake and exhaust valves in the HOWO MAX 4X2 engine. A high‑quality camshaft assembly ensures accurate valve timing, smooth engine operation, and optimal fuel efficiency.
This genuine HOWO Camshaft Without PTO kit includes the camshaft assembly, bearing shells, camshaft gear, pulse wheel, mounting bolts, intermediate gear assemblies, shafts, and all necessary fasteners. When you choose authentic Howo Parts, you receive a complete Camshaft Without PTO assembly engineered for the MC13 engine. For a full engine rebuild, also see our cylinder head kit and connecting rod assembly.
The camshaft assembly is the main shaft that controls valve lift and timing. One assembly is supplied, made from chilled cast iron with induction hardened lobes.
The camshaft has precision‑ground journal surfaces and features multiple lobes per cylinder. It is driven by the crankshaft via the gear train. This Camshaft Without PTO does not have a power take‑off (PTO) drive, making it suitable for standard applications without auxiliary equipment. The shaft is dynamically balanced and includes a locating pin for the camshaft gear.
The camshaft bearing shell is a split bearing that supports the camshaft journals in the cylinder head. Fourteen bearing shells are supplied, made from steel back with a copper‑lead overlay. The bearings are precision‑sized to provide the correct oil clearance. Each shell has an oil hole to feed lubrication to the camshaft journals. The bearing shells must be installed with the correct orientation and torque.
The camshaft gear is a steel gear that transmits rotational force from the crankshaft to the camshaft. One gear is supplied, made from hardened steel with 48 teeth. The gear is pressed onto the camshaft and secured with a key. It meshes with the intermediate gear assembly to drive the camshaft at half engine speed.
The camshaft pulse wheel is a toothed ring that provides crankshaft position signals to the engine control unit. One pulse wheel is supplied, made from ferromagnetic steel with 60‑2 teeth pattern. It is mounted on the camshaft and triggers the camshaft position sensor. Accurate pulse wheel alignment is critical for correct injection timing.
The hexagon bolt with flange Q186 – M8X30 – 10.9 – MAN183 – B1 is a high‑strength fastener used to secure the camshaft gear and pulse wheel to the camshaft. Three bolts are supplied, each with property class 10.9, M8x1.25 thread, and 30mm length. The flange head distributes clamping load. These bolts are torqued to 25 Nm and must be replaced if removed.
The intermediate gear assembly of cylinder head is a gear unit that transfers rotation from the crankshaft gear to the camshaft gear. One assembly is supplied, consisting of a steel gear with a bronze bushing. It is mounted on a shaft in the cylinder head. This gear helps reduce noise and vibration in the valve train.
The small intermediate gear shaft is a hardened steel pin that supports the intermediate gear assembly. Two shafts are supplied, made from case‑hardened 20CrMo steel. The shaft has a precision ground outer diameter and a press‑fit into the cylinder head or crankcase.
The hexagon socket head cap screw GB / T70.1 – M8 30 – 10.9 – MAN183 – PHR is a high‑strength Allen bolt used to secure the intermediate gear shafts. Six screws are supplied, each with a 10.9 property class, M8 thread, and 30mm length. The socket head allows access in tight spaces.
The intermediate gear assembly of crankcase is a gear unit mounted in the crankcase that drives the oil pump and other accessories. One assembly is supplied, made from steel with a hardened tooth profile. It meshes with the crankshaft gear and the camshaft drive gear.
The intermediate gear assembly is an additional gear unit used in the gear train. One assembly is supplied, identical in construction to the other intermediate gears. It ensures proper rotation direction of the camshaft and reduces gear noise.
The large intermediate gear shaft is a longer hardened steel shaft that supports the larger intermediate gear. One shaft is supplied, made from the same case‑hardened steel. It is pressed into the engine block and secured with the socket head cap screws.
The hexagon bolt with flange Q186 – M14X80 – 10.9 – MAN183 – B1 is a large fastener used to secure the intermediate gear housing or other heavy components. Four bolts are supplied, each with M14x1.5 thread, 80mm length, and property class 10.9. They are torqued to 80 Nm.
Camshaft Without PTO – genuine HOWO camshaft and gear train kit
| Material Encoding | Name |
|---|---|
| 200-04400-6050 | Camshaft assembly |
| 200V04410-0177 | Camshaft bearing shell |
| 200-04501-0191 | Camshaft gear |
| 200V04501-0190 | Camshaft pulse wheel |
| MQ6-03216-8306 | Hexagon bolt with flange Q186 – M8X30 – 10.9 – MAN183 – B1 |
| 200-04505-5094 | Intermediate gear assembly of cylinder head |
| 200V04506-0077 | Small intermediate gear shaft |
| MQ6-02191-0410 | Hexagon socket head cap screw GB / T70.1 – M8 30 – 10.9 – MAN183 – PHR |
| 200-04505-5093 | Intermediate gear assembly of crankcase |
| 200-04505-5133 | Intermediate gear assembly |
| 200V04506-0078 | Large intermediate gear shaft |
| MQ6-03216-8615 | Hexagon bolt with flange Q186 – M14X80 – 10.9 – MAN183 – B1 |
This camshaft is ground to exacting tolerances with induction hardened lobes. The absence of a PTO drive reduces parasitic losses and simplifies installation for standard MC13 engines.
All fourteen camshaft bearing shells are supplied, ensuring proper oil clearance and support. The tri‑layer bearings provide excellent load capacity and embedability.
This kit includes the camshaft gear, pulse wheel, intermediate gears, shafts, and all mounting bolts. No need to source individual gear train components separately.
All bolts are property class 10.9 with MAN183 quality mark. The socket head cap screws and flange bolts provide secure, vibration‑proof fastening for the camshaft Without PTO assembly.
The camshaft Without PTO is driven by the crankshaft through a series of intermediate gears. As the camshaft rotates, its lobes push the valve lifters, which open the intake and exhaust valves at precise times.
The camshaft rotates at half engine speed (one revolution for every two crankshaft revolutions). The pulse wheel provides position feedback to the ECU for injection timing. The bearing shells support the camshaft and allow it to spin with minimal friction.
Proper alignment of the camshaft Without PTO is critical for engine performance. A worn camshaft can cause valve timing errors, loss of power, and increased fuel consumption. Replacing a worn camshaft with this genuine HOWO component restores original engine characteristics.
Before installation, remove the cylinder head and old camshaft. Clean all bearing bores. Install the camshaft bearing shells in the correct order, ensuring the oil holes align with the cylinder head passages. Lubricate the bearing surfaces with assembly oil.
Position the camshaft Without PTO into the head, taking care not to damage the lobes. Install the camshaft gear and pulse wheel onto the camshaft, aligning the keyway. Secure them with the three M8x30 flange bolts torqued to 25 Nm. Install the intermediate gears and shafts, securing them with the socket head cap screws and flange bolts. Torque the M14 bolts to 80 Nm. Rotate the camshaft by hand to verify smooth rotation. Install the cylinder head and timing cover. The camshaft Without PTO is now ready for service.
This camshaft Without PTO is specifically designed for the MC13 engine used in the HOWO MAX 4X2 tractor. It fits all production years from 2018 onward. The camshaft does not have a PTO drive, making it unsuitable for vehicles that require auxiliary drives. Always verify your engine serial number before ordering. The intermediate gear set is also compatible with MC11 engines, but the camshaft itself is not.
Inspect the camshaft lobes for scoring or pitting during valve adjustment. Replace the camshaft if lobe wear exceeds 0.2mm. The bearing shells should be replaced every 500,000 km or during an engine rebuild. The gears should be checked for tooth wear; if the backlash exceeds 0.3mm, replace the gear set. The bolts are single‑use and must be replaced if removed. Always use genuine HOWO parts for any repairs to the camshaft Without PTO system.
If the engine has a ticking noise that changes with rpm, a worn camshaft lobe or lifter may be the cause. Inspect the camshaft lobes for visible wear. If the engine runs rough or has poor power, the camshaft timing may be off; check the alignment of the camshaft gear and pulse wheel. If the camshaft position sensor code appears, the pulse wheel may be damaged or misaligned. Always use genuine HOWO components for replacement.
Aftermarket camshafts are often made from lower grade iron that wears rapidly. The lobes may not be properly hardened, leading to premature failure. The bearing shells in copy kits may have incorrect oil clearance, causing oil pressure loss.
The gears may be made from soft steel that wears quickly. Genuine HOWO camshaft Without PTO components are manufactured to the exact specifications of the original MC13 engine, using chilled cast iron, precision ground lobes, and high‑grade bearing materials. The small additional cost is far outweighed by the reliability and performance of a genuine camshaft.
The camshaft Without PTO kit is shipped in a reinforced cardboard box with foam inserts. The bearing shells are in sealed plastic trays. The fasteners are in poly bags. The packaging is recyclable. The manufacturing facility is ISO 14001 certified. No hazardous substances are used in production.
This camshaft Without PTO kit includes all 12 line items listed in the parameters table. Individual components can be ordered separately using their material encodings. Authorized HOWO dealers in Nigeria stock these genuine parts. For fleet orders of three or more complete kits, volume discounts are available. Always provide your engine serial number to confirm compatibility.
Fleet managers who have installed this genuine HOWO camshaft Without PTO report smoother engine operation and better fuel economy. The complete gear train kit eliminated the need to source individual gears. The bearing shells provided perfect oil clearance. Many operators have standardized on this camshaft for all MC13 engine overhauls, citing the all‑in‑one convenience and the reliability of genuine components.
The camshaft Without PTO is shipped in a long box measuring 120cm x 20cm x 15cm, weight 15 kg. Store the camshaft in a dry indoor area. Do not remove the protective oil until installation. The shelf life is three years when stored properly. Protect the camshaft from impact that could bend the shaft or damage the lobes.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
