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FAQs

Use your equipment handbook as the starting point — it lists the API, ACEA, and OEM approvals required, and the recommended viscosity grade. For engine oils the most common grades for plant and commercial applications are 10W-40, 15W-40, and 20W-50; for hydraulic systems, ISO VG 32, 46, and 68. If you don't have the handbook, the existing oil being changed is the next best reference — match its specification and viscosity. WhatsApp 07754288583 with the engine make and model and we can confirm the right grade.

Parts For Machines is an Authorised Distributor and Seller of Shell, Castrol, and Q8 across the oil and lubricant range. Shell covers the Rimula heavy-duty diesel engine oil range and Spirax transmission oils. Castrol covers CRB heavy-duty diesel engine oil, Hyspin hydraulic oil, and SF antifreeze. Q8 covers heavy-duty engine oils, hydraulic oils, and long-life antifreeze. All three offer OEM-equivalent grades approved for original-fill replacement on most plant, agricultural, and commercial vehicles.

Generally not advisable. Different brands use different additive packages that can react with each other, leading to precipitation, additive depletion, or reduced anti-wear performance — especially in hydraulic and gear oils where additive chemistry is critical. For small top-ups (under 10% of system capacity), staying within the same viscosity grade and API/ACEA classification is usually acceptable. For larger top-ups, oil changes, or any mixing of different specifications, drain and refill with a single product. Always confirm against the equipment handbook — some OEMs explicitly prohibit brand mixing under their warranty terms.

Yes. The most common pack sizes for plant, agricultural, and commercial use are 20-litre drums and 208-litre barrels. Pallet quantities and full-truck loads are available on volume — contact the team via WhatsApp 07754288583 or email [email protected] with the brand, grade, and quantity needed for a quote. Trade pricing applies on bulk orders. 5-litre and 1-litre packs are also carried for smaller workshops and top-up requirements.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and 'Check where we deliver' confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

Oil

Oil and lubricants are the lifeblood of any engine, hydraulic system, gearbox, or driveline — get the wrong viscosity, the wrong specification, or the wrong base oil for the application and equipment fails early. Parts For Machines supplies oils, greases, additives, and coolants for plant, agricultural, commercial, and automotive engines and hydraulic systems, with brand selection focused on OEM-equivalent and original-fill grades. Within Oil you will find Engine Oil, Hydraulic Oil, Gear Oil, Transmission Oil, Coolant, Grease, Oil Additives, and Other Oil. Engine Oil and Hydraulic Oil cover the majority of orders — engine oils across viscosity grades from 10W-40 through 15W-40 to 20W-50 and beyond, and hydraulic oils across the standard ISO viscosity grades (typically ISO VG 32, 46, 68) used in plant and agricultural hydraulic systems. Coolant covers antifreeze and long-life cooling fluids; Oil Additives covers diesel additives, oil enhancers, and performance modifiers; Grease covers general-purpose, EP, and specialist greases. Parts For Machines is an Authorised Distributor and Seller of Shell, Castrol, and Q8 across the oil and lubricant range. Shell covers Rimula and Spirax product lines for diesel engines and transmissions. Castrol covers the CRB heavy-duty diesel engine oil range, Hyspin hydraulic oils, and SF antifreeze. Q8 covers heavy-duty engine oils, hydraulic oils, and long-life antifreeze grades. All three are sold in trade-pack sizes — 20-litre and 208-litre drums are the most common. Buyers in this category typically know the specification they need, either from the equipment handbook or from the existing oil being replaced. Filter by brand, viscosity grade, and pack size to narrow down — Product pages list API, ACEA, and OEM approvals (Volvo VDS-4.5, MB 228.31, etc.) where applicable so you can match against your equipment's requirements. Trade pricing applies on bulk and pallet orders; for fleet contracts and large-volume requirements contact the team via WhatsApp 07754288583.

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How do I find the right viscosity oil for my engine or hydraulic system?

Which oil brands does Parts For Machines offer?

Can I mix different brands or grades of oil when topping up?

Do you sell oil in 20-litre drums and pallet quantities?

What if the part doesn't fit or arrives damaged?

How quickly will I get my order and where do you deliver?

Oil

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