Area of Use

Heavy Duty

Maximum Performance for Maximum Demands

We offer a wide range of products – including high-performance lubricants and additives designed specifically to meet the extreme requirements of modern heavy-duty diesel engines.

Built for Tough Jobs. Proven Worldwide.

Heavy-duty engines operate under high loads, high temperatures, and continuous duty. We provide advanced technical solutions that protect engines, increase efficiency, and reduce downtime.

Your benefits at a glance:

Maximum engine protection under extreme conditions
Optimized fuel efficiency
Protection for modern exhaust aftertreatment systems
Extended oil change intervals
Reduced wear and lower operating costs
Highest quality backed by many years of experience

Product Range – Heavy-Duty Engine Oils

Top Tec Truck 4350 SAE 5W-30

starts at

CAD$ 489.95

CAD$ 24.50/l Excl. VAT

Specifications / Approvals: ACEA E6, E7, E8, E9, E11, API CK-4/SN, Deutz DQC IV-18 LA, DTFR 15C100/15C110/15C120, Mack EOS-4.5, MAN M 3677, Renault Trucks RLD-3/RXD, Scania LDF-4, Volvo VDS-4.5 LIQUI MOLY recommends this product for vehicles or assemblies for which the following specifications or original spare part numbers are required:

Caterpillar ECF-3, Cummins CES 20086, DAF PSQL 2.1E-LD, Detroit Diesel DFS 93K222, Deutz DQC IV-10 LA, Ford WSS-M2C 213-A1, IVECO 18-1804 TLS E6, Mack EO-M Plus/EO-N Plus/EO-O Premium Plus, MAN M 3271-1/M 3477/M 3775, MB 228.31/228.51/228.52/235.28, ...

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Top Tec Truck 4350 SAE 5W‑30

Fully synthetic high‑performance diesel engine oil for modern heavy‑duty engines.

Reduces fuel consumption
Excellent cold‑start properties
Optimal protection for DPF and SCR systems
Ideal for high‑performance and modern fleets

Specifications / Approvals
ACEA E6, E7, E8, E9, E11 • API CK-4 • API SN • Deutz DQC IV-18 LA • DTFR 15C100 • DTFR 15C110 • DTFR 15C120 • Mack EOS-4.5 • MAN M 3677 • Renault Trucks RLD-3 • Renault Trucks RXD • Scania LDF-4 • Volvo VDS-4.5

Top Tec Truck 4450 SAE 15W-40

starts at

CAD$ 81.95

CAD$ 16.39/l Excl. VAT

Specifications / Approvals: ACEA E9, E11, API CK-4/SN, Cummins CES 20086, Detroit Diesel DFS 93K222, DTFR 15C100, Ford WSS-M2C 171-F1, Mack EOS-4.5, MTU Typ 2.1, Renault Trucks RLD-3, Volvo VDS-4.5 LIQUI MOLY recommends this product for vehicles or assemblies for which the following specifications or original spare part numbers are required: ACEA E7, Caterpillar ECF-3, Cummins CES 20081, Deutz DQC III-10 LA, JASO DH-2, MAN M 3575/M 3775, MB 228.31

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Top Tec Truck 4450 SAE 15W‑40

Robust, long-lasting HD engine oil for tough applications and high thermal stress.

Excellent wear and soot control
Very good high-temperature stability
Suitable for extended oil change intervals
Perfect for mixed fleets and older engine generations

Specifications / Approvals
ACEA E9, E11 • API CK-4 • API SN • Cummins CES 20086 • Detroit Diesel DFS 93K222 • DTFR 15C100 • Ford WSS-M2C 171-F1 • Mack EOS-4.5 • MTU Typ 2.1 • Renault Trucks RLD-3 • Volvo VDS-4.5

Special Tec AA SAE 5W-40 Diesel

starts at

CAD$ 106.95

CAD$ 21.39/l Excl. VAT

Specifications / Approvals: ACEA E9, API CK-4, Cummins CES 20086, Ford WSS-M2C 171-F1 LIQUI MOLY recommends this product for vehicles or assemblies for which the following specifications or original spare part numbers are required: Caterpillar ECF-3, Chrysler MS-10902, Cummins CES 20081, Detroit Diesel DFS 93K222, Isuzu, JASO DH-2, Mack EOS-4.5, MB 228.31, Mitsubishi, MTU Typ 2.1, Nissan, Renault Trucks RLD-3, Toyota, Volvo VDS-4.5

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Special Tec AA 5W-40 Diesel

Developed specifically for American and Asian diesel applications.

Ideal for older and heavily loaded engines
Consistent oil film stability even at high temperatures
Reduces oil consumption and protects against wear

Specifications / Approvals
ACEA E9 • API CK-4 • Cummins CES 20086 • Ford WSS-M2C 171-F1

Special Tec AA SAE 10W-30 Diesel

starts at

CAD$ 96.95

CAD$ 19.39/l Excl. VAT

Specifications / Approvals: ACEA E7, E9, E11, API CK-4, Ford WSS-M2C 171-F1 LIQUI MOLY recommends this product for vehicles or assemblies for which the following specifications or original spare part numbers are required: Caterpillar ECF-3, Chrysler MS-10902, Cummins CES 20081/CES 20086, DAF PSQL 2.1 E, Detroit Diesel DFS 93K222, Isuzu, JASO DH-2, Mack EOS-4.5, MB 228.31, Mitsubishi, MTU Typ 2.1, Nissan, Renault Trucks RLD-3, Toyota, Volvo VDS-4.5

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Special Tec AA 10W-30 Diesel

Fuel-saving formulation tailored to U.S.-specific diesel requirements.

Very stable viscosity
Supports efficiency and smooth engine operation
Suitable for extended service intervals

Specifications / Approvals
ACEA E7, E9, E11 • API CK-4 • Ford WSS-M2C 171-F1