Top Tank
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Hdr: 50 x 13, 2 bolt on flanges, each 3" dia., 1 - 1/4" NPT fitting in center
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Mack Advance top tank
This top tank has an angle bracket on the top of the tank with 6 holes, a 1" hose connection in the center of the tank, two 1/4" NPT fittings, a 1/2" NPT fitting on the back for a sight glass, a hole for filler neck on the top of the tank, a 1" NPT access for a check valve, and a 3/4" NPT fitting for a fill bypass. Learn More -
Mack Advance top tank
This top tank has a 2 1/4" diameter hose connection, a 1" bypass connection, a 1 3/4" hole on top for a filler neck, a 1/2" NPT flange on the grill side for a sight glass, an angle bracket on the top of the tank with six holes, and two 1/4" NPT fittings. This tank is de-aerated. Learn More -
Mack Advance top tank
This tank has a 2 1/2" diameter hose connection, a 1" bypass connection, a 1 3/4" hole on top for a fill neck, a 1/2" NPT flange on the grill side for a sight glass, an angle bracket on the top of the tank with six holes, and two 1/4" NPT flanges. Tank is de-aerated. Learn More -
Diamond Rio top tank
This tank has four 1/4" NPT fittings on the fan side, a 1 3/4" hole for a filler neck on the grill side, a 1/2" flange on the grill side, and two 2 1/4" hose connections.
The hose connection(s) must be opened before installation. Learn More -
Oshkosh top tank
Two bolt on type flanges with two 7/16" NC threaded holes in each. One 1/8" NPT fitting, two 1/4" NPTfittings and three 3/4" NPT fittings - one facing engine and two on top of the tank. Three brackets on tankfacing engine. Three brackets on top of tank and two angle brackets on front of tank. One 2" diameter pipe on the topof the tank for filler neck. Learn More -
AutoCar top tank
This tank has two bolt-on type flanges with four 3/8" NC threadedbolt holes in each, a bolt-on type flange on bafflewith four 5/16" NC threaded holes, brackets on bothends facing the engine with four 17/32" diameter holesin each, and a hole for a fill neck on top. Learn More -
AutoCar top tank
This tank has two bolt-on type flanges with two 3/8" NC threadedholes in each, a bolt-on type flange on the baffle withfour 5/16" NC threaded holes, two 1/8" NPTflanges, brackets on both ends facing the engine withthree 1/2" diameter holes in each, a 1 3/4" hole on topfor a fill neck, and three 1/4" NC threaded nuts onthe header facing the engine. Learn More -
GMC top tank
This tank has a bolt-on type flange in the baffle with two 3/8" NCthreaded holes, two bolt-on type flanges with two3/8" NC threaded holes, two 1/2" NPT fittings (oneach end) and one 5/8" OD hose connection onpassenger side, and a 1 3/4" hole on the top for a fillerneck. There is a flange on the front with two 3/8" NC threadedholes. Learn More -
GMC top tank
This low flow top tank comes complete with checkvalve. There are twenty five 5/16" NC threaded holes in the built inbaffle, a 1" diameter hose connection straight downfrom the baffle on passenger side, two 1/2" NPT andone 1/8" NPT flange facing the engine, a bolt-on typeflange on top of the tank to access the check valve. The top frontcorners of the tank are cut lower and there are two rounded cut-outs across topof tank, and a 1 1/4" diameter hole for filler neck ontop passenger side corner. Learn More