{"id":868,"date":"2026-07-10T04:04:24","date_gmt":"2026-07-10T08:04:24","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2023-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-10T04:04:24","modified_gmt":"2026-07-10T08:04:24","slug":"2023-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2023-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2023 Ram 3500 6.7L Diesel Oil & Maintenance Guide | Cummins Engine L"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 2023 Ram 3500 6.7L Diesel take?<\/h2>\n

The 2023 Ram 3500 with the 6.7L 6-cylinder engine (Code L) requires an oil viscosity of 10W-30 for temperatures above -18\u00b0C and 5W-40 for temperatures below -18\u00b0C. The total oil capacity is 12 quarts with a filter change. AMSOIL recommends using Signature Series 10W-30 Max-Duty Diesel Oil<\/a> (DTTQT-EA<\/a>) for high-performance protection.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, here are the recommended fluids and filters for your 2023 Ram 3500 6.7L Diesel.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n10W-30<\/a><\/td>\nDTTQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n10W-30<\/a><\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Specifications:<\/strong> The AMSOIL lookup note references API CJ\/CK-4 (MS-10902) and Cummins CES 20081 standards. Low ash diesel engine oil is required.<\/p>\n

Oil Filter Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO80-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n57620XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n57620-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Coolant<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/th>\n<\/tr>\n
Automatic Transmission<\/td>\nSignature Series Multi-Vehicle ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
Automatic Transmission<\/td>\nOE Multi-Vehicle ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nPassenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Engine Coolant<\/td>\nPropylene Glycol Antifreeze<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications and Details<\/h2>\n

Maintaining the correct oil viscosity is vital for the Cummins 6.7L diesel engine to ensure proper lubrication under varying thermal conditions.<\/p>\n

Oil Viscosity & Capacity<\/h3>\n
\n\n\n\n\n
Condition<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Above -18\u00b0C<\/td>\n10W-30<\/td>\n<\/tr>\n
Below -18\u00b0C<\/td>\n5W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Capacity:<\/strong> 12 quarts (with filter). Always check the oil level after refilling.<\/p>\n

Drain Plug Torque:<\/strong> 37 ft\/lbs.<\/p>\n

Maintenance Overview<\/h3>\n