Tj87 Posted May 8, 2020 Share Posted May 8, 2020 Hi. I'm looking for information on a 79 maxitorque transmission. Wondering where to check the oil level and what grade of oil it takes. Sorry if this is posted somewhere else. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/62458-79-maxitorque-transmission/ Share on other sites More sharing options...
terry Posted May 8, 2020 Share Posted May 8, 2020 (edited) I believe on the back box, or front box, either box will fill the whole trans, right side lower plug, the upper is a magnetic plug for fine pieces, some run 90 weight gear oil and some run a 85/140 gear oil. terry Edited May 8, 2020 by terry Quote Link to comment https://www.bigmacktrucks.com/topic/62458-79-maxitorque-transmission/#findComment-450716 Share on other sites More sharing options...
Tj87 Posted May 8, 2020 Author Share Posted May 8, 2020 Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/62458-79-maxitorque-transmission/#findComment-450721 Share on other sites More sharing options...
j hancock Posted May 8, 2020 Share Posted May 8, 2020 1 Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/62458-79-maxitorque-transmission/#findComment-450722 Share on other sites More sharing options...
Popular Post Tj87 Posted May 9, 2020 Author Popular Post Share Posted May 9, 2020 Sounds good. This would be the 107. Just doing some long overdue maintenance. 3 Quote Link to comment https://www.bigmacktrucks.com/topic/62458-79-maxitorque-transmission/#findComment-450723 Share on other sites More sharing options...
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