Approval system for oil and coolant
DEUTZ Quality Class
Oil
The introduction of the new ACEA and API oil specifications, as well as the requirements for longer oil change intervals, reduced oil refill quantities and the inclusion of alternative fuels in the DEUTZ engine portfolio means that the current oil release classes must be updated.
| Quality Class | Oil type |
|---|---|
| DQC I-02 | Minimum oil quality for older diesel engine series without exhaust gas aftertreatment with shortened oil change intervals. |
| DQC II-18 | Minimum oil quality for older diesel engine series without exhaust aftertreatment, can be used in engines with open crankcase ventilation system. |
| DQC III-18 | High-performance engine oil for high-power diesel engines without exhaust aftertreatment. Suitable for engines with open and closed crankcase ventialtion system and/ or highest thermal loads. |
| DQC IV-18 | High-performance engine oil for high-power diesel engines without exhaust aftertreatment. Suitable for engines with open and closed crankcase ventilation system and/or highest thermal loads, as well as for very high demands on piston cleanliness (steel piston engines (TTCD)). |
| DQC II-18 LA | Low-ash engine oil, generally suitable for engines with open crankcase ventilation system and exhaust gas aftertreatment. |
| DQC III-18 LA | Low-ash high-performance engine oil for diesel engines with exhaust gas aftertreatment. Suitable for engines with open and closed crankcase ventilation system and/or high thermal loads. |
| DQC IV-18 LA | Low-ash high-performance diesel and gas engine oil for high-power engines with exhaust gas aftertreatment. Suitable for engines with open and closed crankcase ventilation system and/or highest thernal loads, as well as for very high demands on piston cleanliness (steel piston engines (TTCD)). Also suitable for extended oil change intervals. |
DQC = DEUTZ Quality System
LA = Low Ash
Applications for DQC Releases
The links on this page provide the lube oil producers with the opportunity to download the DEUTZ AG company standard for DQC releases together with the appendices (limit values and application forms). In the company standard, the formalities of the release procedure are also described.
Documents Release System Oil
Company Standard H0685-3
Appendix A, Manufacturer declarations for approvalAppendix B, Requirements for approval of DQC III-18 and DQC IV-18
Appendix C, Requirements for approval of DQC III-18 LA and DQC IV-18 LA
Appendix D, Manufacturer declarations for Reblend approval
Appendix E, Manufacturer declarations fo Rebrand approval
Fees for Release list issue valid from 01.06.2018
Coolant
With the implementation of an approval system for cooling system protective agents, the DEUTZ AG will expand the DQC oil approval system, which is already well-established with lubricant manufacturers and customers alike, to this product field. For this reason, the DEUTZ in-house standard H 0685-6 was introduced and contains the approval requirements and instructions for completing the approval procedure.
Approval designations for cooling system protective agents
| Approval designation | Cooling system protective agent type |
|---|---|
| DQC CA-14 | Cooling system protective agents, contains silicate, based on monoethylene glycol (MEG) |
| DQC CB-14 | Cooling system protective agents, does not contain silicates, based on organic acid (OAT) and monoethylene glycol (MEG) |
| DQC CC-14 | Cooling system protective agents, contains silicate, based on organic acids and monoethylene glycol (MEG) |
Only cooling system protective agents approved in writing by DEUTZ may be designated by the coolant manufactures in data sheets or other publications using the approval designations DQC CA-14, DQC CB-14 or DQC CC-14.
Please Note
DEUTZ is the sole owner of the trademark DQC that is protected for all countries of the European Union Office for Harmonization in the Internal Market at the official file number 012454112. Furthermore, trademarks are protected in the USA, Canada and in China. All rights and claims in respect of the brand remain with DEUTZ DQC.
Documents Release System Coolant
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