{"product_id":"lucas-oil-sae-85w-140-heavy-duty-gear-oil-pack-of-2-gl-5-extreme-pressure-protection","title":"Lucas Oil SAE 85W-140 Heavy Duty Gear Oil — Pack of 2, GL-5 Extreme-Pressure Protection","description":"\u003cp\u003e\u003cstrong\u003eLucas Oil 10042 SAE 85W-140 is a heavy-duty, extreme-pressure gear oil sold as a convenient two-pack for protecting hypoid gears, differentials, and manual transmissions that require SAE 85W-140 viscosity.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two-pack of Lucas Oil 10042 SAE 85W-140 delivers a thick, thermally stable lubricant formulated for high-load gearsets and extended service intervals. It’s engineered to withstand heavy pressures, reduce wear and scuffing in hypoid and spiral-bevel gears, and maintain film strength across a wide temperature range. The product is supplied by Lucas Oil, a brand known for drivetrain lubricants and additives designed for commercial and consumer use.\u003c\/p\u003e\n\n\u003ch3\u003eWhat types of gear systems is this 85W-140 oil suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe 85W-140 viscosity is intended for heavy-duty applications where a robust film is needed at operating temperature. It suits many differentials, manual transmissions, and final drives that specify SAE 85W-140 or GL-5 level protection. Check your vehicle or equipment manual to confirm compatibility before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHypoid differentials in trucks and SUVs that require GL-5 performance\u003c\/li\u003e\n  \u003cli\u003eManual transmissions designed for API GL-4\/GL-5 85W-140 grade (verify manufacturer specs)\u003c\/li\u003e\n  \u003cli\u003eHeavy machinery final drives and axles operating under high torque\u003c\/li\u003e\n  \u003cli\u003eSome marine and off-road differentials where SAE 85W-140 is recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Lucas Oil 10042 protect gears under heavy load?\u003c\/h3\u003e\n\u003cp\u003eLucas Oil 10042 uses extreme-pressure additives and a stable base oil to create a resilient lubricating film that resists shear and breakdown under torque. The formulation helps minimize metal-to-metal contact and can reduce scuffing and pitting on gear tooth surfaces. Proper lubrication helps extend component life and keep operating noise down.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExtreme-pressure chemistry prevents gear surface damage during heavy loads\u003c\/li\u003e\n  \u003cli\u003eHigh-viscosity film maintains separation between gear teeth at temperature\u003c\/li\u003e\n  \u003cli\u003eShear-stable formulation preserves viscosity under mechanical stress\u003c\/li\u003e\n  \u003cli\u003eCorrosion inhibitors protect internal components from moisture and rust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should this oil be changed and how much will I need?\u003c\/h3\u003e\n\u003cp\u003eService intervals depend on vehicle type, duty cycle, and operating conditions; follow the equipment manufacturer’s recommended schedule for differential and transmission maintenance. Quantity for a fill varies widely by axle or gearbox design, so consult the service manual or fluid-capacity chart for the exact volume per unit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow OEM interval guidance for heavy-duty or commercial vehicles\u003c\/li\u003e\n  \u003cli\u003eTypical passenger differential fills range from about 1 to 3 liters each — verify exact capacity\u003c\/li\u003e\n  \u003cli\u003eCheck fluid level and condition after the first few hundred miles following a change\u003c\/li\u003e\n  \u003cli\u003eUse the two-pack to cover multiple service points or for on-site top-ups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I store and handle this gear oil?\u003c\/h3\u003e\n\u003cp\u003eStore containers upright in a cool, dry place away from direct sunlight and extreme heat. Keep caps sealed to prevent contamination, and use clean funnels and tools to avoid introducing dirt or moisture into gearboxes. Dispose of used oil responsibly at an approved recycling or waste facility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep in original sealed containers to maintain product integrity\u003c\/li\u003e\n  \u003cli\u003eAvoid exposure to open flames and follow local environmental regulations\u003c\/li\u003e\n  \u003cli\u003eUse appropriate PPE (gloves, eye protection) when handling fluids\u003c\/li\u003e\n  \u003cli\u003eRecycle used oil through certified collection centers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Lucas Oil 10042 SAE 85W-140 Pack of 2 is aimed at professional mechanics, fleet managers, and DIY enthusiasts who service heavy-duty differentials, manual gearboxes, and final drives that demand a high-viscosity, extreme-pressure lubricant. It’s especially useful for owners of trucks, off-road vehicles, agricultural equipment, and industrial machines where robust gear protection and dependable film strength are priorities.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Lucas Oil 85W-140 compatible with GL-5 gearboxes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it provides GL-5 extreme-pressure protection suitable for many gearboxes; always confirm your equipment's spec.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix this 85W-140 with other gear oils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mixing is possible but not recommended; check additive compatibility and follow OEM guidance for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lucas Oil","offers":[{"title":"Default Title","offer_id":48086056173726,"sku":"B07KCLSNZP","price":47.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lucas-oil-10042-front-packaging.jpg?v=1785883187","url":"https:\/\/northtrailauto.ca\/products\/lucas-oil-sae-85w-140-heavy-duty-gear-oil-pack-of-2-gl-5-extreme-pressure-protection","provider":"North Trail Auto","version":"1.0","type":"link"}