Volvo A45G FS / A40G Articulated Hauler Parts - Valve, Cooling and Hitch Wear List for West Africa 2026
Why West African haul sites burn valves and radiators first
A45G FS and A40G fleets in West Africa run long haul cycles on unsealed laterite roads, often 3 to 8 kilometres per trip, in ambient temperatures above 35 degrees Celsius with heavy red dust. Sustained high load plus dust loading on the cooling pack produces a predictable chain: cylinder head temperature climbs, exhaust valves lose sealing and burn, radiator cores clog externally, oil temperature climbs, and hitch valve spools stick from varnish and contamination. Replacing valves without fixing the cooling circuit simply repeats the failure after a few thousand hours.
| System | Typical symptom | Free first check | Usual action |
|---|---|---|---|
| Exhaust valves | Power loss, exhaust temperature spread, blow-by | Cylinder exhaust temperature comparison | Replace valves and regrind seats |
| Oil radiator | High oil temperature, slow steering, alarms | Inlet versus outlet temperature delta | Clean outside first, then replace core |
| Solenoid and control valves | Lazy hitch response, drift, fault codes | Spool movement and connector check | Replace valve and flush circuit |
| Hitch cylinder head screws | Hitch play, weeping at the joint | Visual play and torque check | Replace screws and seals |
| Cooling pack | Water temperature high, top-up rising | External fin blockage visual check | Wash pack, then check fan drive |
Exhaust valve 21428866: read cylinder temperature spread first
VOE21428866 exhaust valve covers A40F/G, A40F/G FS, A45G, A45G FS, A60H and EC750E platforms. Burnt valves on West African haulers rarely arrive without warning. The signal is exhaust temperature spread between cylinders combined with a gradual loss of power under load.
Before ordering, do two free checks: compare individual cylinder exhaust temperatures, and check crankcase blow-by. A single cylinder running hot plus rising blow-by means the valve seat is done. Replace valves together with seats and stem seals, and confirm injector spray pattern at the same time, since a poor spray pattern burns the new valve again.
Oil radiator 11033628: the external wash comes before the core
11033628 oil radiator serves A30F, A45G, A60H, A25C, A30C, A35C, A40 and DA25D hauler platforms, and also appears on large wheel loader models L350F and L450D. On laterite sites, the most common cause of high oil temperature is not a failed core but red dust packed into the fins.
Fix the order every time: wash the outside and re-measure the inlet versus outlet delta, then check fan speed and hydraulic motor, then check whether the bypass valve is stuck open, and only then condemn the core. Following this sequence removes more than half of the suspected radiator failures.
Solenoid valve 15011528 and control valve 15043728: lazy hitch response
15011528 solenoid valve and 15043728 control valve are both listed for A40D, A25E, A35D, A30E, T450D and A35F articulated hauler hydraulic circuits. Their failure shows up as lazy hitch steering, drift under load and intermittent fault codes rather than a hard failure.
Check in this order: read the fault codes, unplug and re-seat the connectors, measure coil resistance, and only then replace the valve. Installing a new valve on a contaminated circuit shortens its life dramatically, so flush the circuit and replace the filter at the same time.
Hitch cylinder head screws 21344778: small part, large downtime
21344778 cylinder head screws are listed for the hitch assembly on A25, A35 and A45G haulers. They are cheap but their failure is expensive: a loose or stretched hitch joint develops visible play and oil weeping, and if left alone it damages the hitch bearing and the frame eye.
The check is simple and free: look for play at the hitch joint with the machine articulated, look for fresh oil traces, and re-torque to specification. Replace screws together with the joint seals rather than one at a time.
Shipping, documents and packing to West Africa
Stock parts leave the warehouse the same day. Express air freight to Conakry, Accra, Lagos, Abidjan and Freetown normally takes 7 to 12 working days. Heavy assemblies travel by consolidated or full container sea freight with schedules confirmed per destination port. Export packing uses heat-treated or fumigation-free pallets and wooden cases with machined faces individually protected; packing lists, part photos and container loading video are provided before dispatch.
A quotation needs only three things: a photo of the machine serial plate, a photo of the old part nameplate, and a note of the mounting position. With all three we confirm fitment and reserve stock the same day.
Frequently Asked Questions
Are A45G FS and A40G valve and radiator parts interchangeable?
Not by model alone. The two share the A-series platform but valve specifications, radiator cores and hitch hardware change across serial breaks. Send the machine serial number and a photo of the old part nameplate and we verify fitment before dispatch.
Does a high oil temperature mean the radiator core is finished?
Usually not. Wash the cooling pack externally first and re-measure the inlet versus outlet temperature delta. Red dust packed into the fins is the most common cause on West African sites. Only condemn the core after checking fan speed and the bypass valve.
What is the first check when the hitch steering feels lazy?
Read the fault codes, then unplug and re-seat the valve connectors and measure coil resistance on 15011528 or 15043728. Replace the valve only if the coil and connectors test good, and flush the circuit at the same time.
How long does delivery to West Africa take?
Stock parts ship the same day and reach Conakry, Accra, Lagos, Abidjan and Freetown in about 7 to 12 working days by express air freight. Heavy assemblies go by sea container with the schedule confirmed per destination port.
Need A45G FS or A40G hauler parts pricing?
Send the machine serial number and a photo of the old part number and we confirm fitment the same day.
WhatsApp +86 139 2519 9399 · Scan to send the part number, or open the chat directly