Delo® 400 SLK

SAE 10W-30

Delo® 400 SLK with ISOSYN Advanced Technology are premium quality “low-SAPS” heavy-duty diesel engine oils specifically designed to lubricate a wide range of high speed diesel engines requiring API CK-4, CJ-4, CI-4 PLUS, or ACEA E9 performance lubricants operating under the most severe service conditions. 

Delo® 400 SLK are formulated using the latest generation additive technology to provide outstanding protection for on and off-highway applications, including those with the low emission diesel engines fitted with Diesel Particulate Filters (DPF), and those fitted with Selective Catalytic Reduction (SCR) and / or Exhaust Gas Recirculation (EGR) emission control technologies.

Delo® 400 SLK 

SAE 15W-40

Delo® 400 SLK SAE 15W-40 is a premium quality “low-SAPS” heavy-duty diesel engine oil specifically designed to lubricate a wide range of high speed diesel engines requiring API CK-4, CJ-4, CI-4 PLUS / SN, or ACEA E11 performance lubricants operating under the most severe service conditions. It is based on ISOSYN® Advanced Technology, which uses the latest generation additive technology to provide outstanding protection for on and off highway applications, including those with the low emission diesel engines fitted with Diesel Particulate Filters (DPF), and those fitted with Selective Catalytic Reduction (SCR) and / or Exhaust Gas Recirculation (EGR) emission control technologies.

33% longer oil drain intervals: more miles, less downtime

Rotorua-based log transport company Williams & Wilshier boosted fleet productivity by extending oil drain intervals (ODIs) with Caltex Delo® 400 SLK SAE 15W-40, achieving superior engine protection for trucks operating in tough logging conditions. Delo® 400 SLK extended off-road engine operation by 100 hours, ensuring reliable performance in harsh, unsealed conditions. On-highway trucks achieved 10,000 km more between oil changes, reducing workshop visits and improving fleet uptime.

“We are very satisfied with Caltex Delo 400 SLK SAE 15W-40 and we recommend it to anyone who is looking for a high-performance engine oil that can handle tough conditions and deliver long-lasting protection. It is the best choice for our business and engines.” – Peter Withington, Fleet Service Manager at Williams & Wilshier Transport Limited

Delo® 400 XLE HD

SAE 10W-40 and SAE 5W-30

Delo® 400 XLE HD are premium performance, synthetic heavy-duty diesel engine oils specifically designed to lubricate a wide range of diesel engines in on- and off-highway and construction applications. It features ISOSYN^® technology, a combination of premium base oils and additives, formulated to promote optimum diesel engine protection.

Delo 400 XLE HD engine oils are formulated with advanced low SAPS additive technology designed to meet a wide range of OEM applications up to and including Euro VI emissions requirements and offers backwards compatibility with legacy engine technology, meeting both full SAPS and lower SAPS specifications where permitted by OEMs. Designed for extended oil drain intervals and meets ACEA E4, E6, E7, E9 and API CJ-4, CI-4 PLUS, CI-4 performance standards.

Delo® 400 XLE LD

SAE 10W-40 

Delo® 400 XLE LD SAE 10W-40 is a heavy-duty engine oil based on premium performance synthetic technology, created to meet the needs of diverse four-stroke diesel engines, including legacy, gas, and off-highway applications. Utilising ISOSYN® technology and advanced low SAPS additive technology, it provides compatibility with both Full SAPS and Lower SAPS specifications, and when extended drain intervals are required and combines ACEA claims E7, E8 and E11.

Delo® 400 RDS

SAE 10W-40

Delo® 400 RDS SAE 10W-40 is a high performance, semi-synthetic, low SAPs heavy-duty diesel engine oil, formulated to conform to ACEA E6, E7, E9 requirements and top-tier OEM specifications for Euro IV, Euro V and some Euro VI diesel engines.

Delo 400 RDS SAE 10W-40 is designed for long drain capability without compromising durability in modern low-emission diesel engines and offers reliable protection to diesel particulate filters (DPFs).

Delo® 400 XSP-SD

SAE 5W-30

Delo® 400 XSP-SD SAE 5W-30 is a high performance synthetic heavy duty engine oil designed for fuel economy and meets the performance requirements of a wide range of naturally aspirated and turbocharged diesel engines in on-highway, off-highway and construction service. It is based on ISOSYN® technology with low SAPS performance and dispersant, detergent, oxidation, anti-wear, corrosion, viscosity improver and de-foaming additives, while offering extended drain intervals.

Delo® Gold Ultra

SAE 15W-40

Delo® Gold Ultra is a high performance, multi-grade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel engines requiring API CI-4 or ACEA E7 performance lubricants including those fitted with selective catalytic reduction (SCR) and/or exhaust gas recirculation (EGR) emission control technologies.

Delo® Gold Ultra is formulated with ISOSYN® Technology to provide exceptional soot dispersancy, deposit control and wear protection. It is recommended for use in mixed fleets of both diesel and petrol engines in commercial road transport, off-highway vehicles and plant, agricultural tractors and farm machinery, generator sets and high-speed diesel engines in marine service.

Delo® Gold Ultra S

SAE 10W-40

Delo® Gold Ultra S is a high performance synthetic heavy-duty diesel engine oil designed to conform to ACEA E4 and E7 requirements and more challenging OEM specifications, including Scania LDF3 for the latest technology Euro VI diesel engines. It is backward compatible and suitable for earlier European heavy-duty diesel engines meeting Euro II to Euro V emission standards.

Delo® Gold Ultra S features ISOSYN® technology, a combination of premium base oils and additives formulated to promote optimum diesel engine protection, and is designed to deliver reliable cold temperature performance, robust deposit control and long drain performance.

Delo® 100

SAE 40

Delo® 100 Motor Oil SAE 40 is a monograde heavy duty engine oil designed for use in diesel engines requiring API CF-2, CF performance lubricants, including two-stroke diesel (Detroit Diesel) low ash engines operating in on- and off-highway service.

It is formulated with proven quality base stocks, and combines detergent, rust and corrosion inhibitors with anti-wear agents for effective engine protection.