WinGD
Sinova Marine CYN 50 BN 100
- Reference
- Validated Engine Oils for WinGD Engines — Version 18
- Scope
- WinGD X, X-DF, X-DF-A, X-DF-M, RT-flex and RT-flex-DF engines, plus Wärtsilä RTA / RT-flex / X and Sulzer 2-stroke engines.
- Issued
- January 2026
TrustValidated listing No Objection Letter No Objection Letter Letter of Support (field test) Letter of Support (field test) OEM approval certificate OEM approval certificate OEM approval certificate OEM approval certificate OEM approval certificate
The paperwork behind the promise.
Every approval we claim, with the issuing body, reference number and validity — so your technical department can verify it before you order.
Reading these documents
- Validated listing
- The engine builder lists the oil in its own published register of validated oils.
- No Objection Letter
- The engine builder has assessed a completed field test and states no objection to use.
- Letter of Support (field test)
- The engine builder does not object to a field test being run. Not yet a completed approval.
- OEM approval certificate
- A formal approval certificate issued against a named OEM specification sheet.
Marine — Sinova Marine
Everllence (formerly MAN Energy Solutions)
Sinova Marine SYS 30 BN 5
- Reference
- NOL No. 17679-2026
- Scope
- System oil, 5 BN, SAE 30, Group 1 — for Everllence B&W two-stroke engines.
- Issued
- 12 March 2026
- Valid until
- 12 March 2031
Everllence (formerly MAN Energy Solutions)
Sinova Marine CYN 50 BN 70
- Reference
- NOL No. 25975-2026
- Scope
- Cylinder lubrication oil, 70 BN, SAE 50, Category 1, Group 1 — for Everllence B&W two-stroke engines.
- Issued
- 22 June 2026
- Valid until
- 23 June 2029
Everllence (formerly MAN Energy Solutions)
Sinova Marine CYN 50 BN 100 Group 1
- Reference
- Ref. 11012/2026
- Scope
- Support for field testing on an Everllence two-stroke engine.
Everllence (formerly MAN Energy Solutions)
Sinova Marine CYN 50 BN 70 Cat 1 Group 1
- Reference
- Ref. 44527/2025
- Scope
- Support for field testing on an Everllence two-stroke engine.
Tomoil
Sinova Group's flagship lubricant brand, blended in Germany. See the Tomoil range.
Mercedes-Benz
Tomoil Engine Oil 5W-40 C3
- Reference
- MB-Approval 229.51 · Oil code TL/EO-0033
- Scope
- Mercedes-Benz Specifications for Operating Fluids, sheet 229.51.
Mercedes-Benz
Tomoil Engine Oil 5W-30 SN/C3
- Reference
- MB-Approval 229.52 · Oil code TL/EO-0032
- Scope
- Mercedes-Benz Specifications for Operating Fluids, sheet 229.52.
Mercedes-Benz
Tomoil Engine Oil 0W-20 C5/C6
- Reference
- MB-Approval 229.71 · Oil code TL/EO-0003
- Scope
- Mercedes-Benz Specifications for Operating Fluids, sheet 229.71.
Mercedes-Benz
Tomoil Engine Oil 0W-20 C5/C6
- Reference
- Additional MB-Approval 229.72
- Scope
- Mercedes-Benz Specifications for Operating Fluids, sheet 229.72.
Deutz AG
Tomoil Engine Oil 5W-30 CK-4/SN
- Reference
- DEUTZ DQC IV-18 LA · Oil code TL/EO-0005
- Scope
- Right to use the DQC mark; claim language "Approved according DEUTZ DQC IV-18 LA".
- Issued
- 7 August 2023
Further certificates on file
- MAN — Tomoil Engine Oil 5W-30 CK-4 and 10W-40 CK-4
- Volkswagen — Tomoil Engine Oil 5W-40 SN/CF and C5
- Volvo Group — Tomoil Engine Oil, six viscosity grades
Copies are sent on request with the specification detail confirmed against the original certificate.