I went to Summit Racing today just for this very idea Engatwork. Kerry it appears I was wrong. They are cheaper than MB used but not by much.
Anyway, I left empty handed causeee. I didnt know what Gallons Per Minute to get. Below is some examples
PRM-201 18 in. long x 6 in. wide x 1 1/2 in. high, 1/2 in. NPT fittings, 3-10 gpm flow rate, three tube, single row he... $99.95
PRM-301 20 in. long x 8 in. wide x 1 1/2 in. high, 1/2 in. NPT fittings, 4-14 gpm flow rate, four tube, single row hea... $129.99
PRM-501 20 in. long x 9 1/2 in. wide x 1 1/2 in. high, 1/2 in. NPT fittings, 4-16 gpm flow rate, five tube, single row... $179.99
PRM-601 20 in. long x 11 1/2 in. wide x 1 1/2 in. high, 3/4 in. NPT fittings, 4-18 gpm flow rate, six tube, single row... $219.99
What do you folk figure I need for GPM? The 18" barely fits in hight if I mount it where it was before. It was mounted vertically with both hoses on top.
not all were listed by GPM...!! So its hard to decipher. There are others here at
Summit Racing
I am considering a dual circuit cooler. The second side eventually being manuel tranny oil. Unimog 404 trannies have a history of heat problems at highway speeds. They love crawling like a tractor but hate highways. Any thoughts on this.