truck - radiator tanks and parts - Bolt on Top Tanks - mack

This tank has a 2.50" diameter hose connection, a 1.25" diameter hole in top for a fill neck, a 1/4" NPT flange on the face of the surge tank, a 3/8" diameter fitting on the face of the surge tank underneath the 1/4" flange, and two 3/4" NPT fittings to accommodate a 1.00" diameter bypass fitting. This tank is de-airated. Note: this tank's bolt hole pattern matches tank #MK 679. Front and bottom views shown here

This tank has a 2.50" diameter hose connection, a 1.25" diameter hole in the top for a filler neck, a 1/4" NPT fitting on the face of the surge tank, a 3/8" NPT fitting underneath the 1/4" fitting, and two 3/4" NPT fittings to accommodate a 1.00" diameter bypass. This tank is de-airated. Note: this tank shares the bolt pattern with tank #MK 679. Front and bottom views shown here.

This tank has combined fittings and connections to serve both Titan and Superliner applications. The hose connections are blocked off, so the appropriate hose connection needs to be opened before installing. Note: this tank shares the bolt pattern with tank #MK 679. Front and bottom views shown here.

Two bolt on type flange connections facing engine with two 3/8" N.C. threaded holes in each. One 3/4", one 3/8" and two 1/4" N.P.T. fittings facing engine. Two groups of three 3/8" N.C. threaded holes near each end of tank facing engine. One hole on top passenger - engine side for filler neck. NOTE: Matches #MK 664 or #MK 664-1 bottom tank

This tank has a 2.50" diameter hose connection, and a 3/8" NPT flange. Note: tank #MK 6628 is the same tank with a 7 plate oil cooler with 18.00" centers.

This tank has twenty 5/16" NC threaded holes in the baffle, a 2.00" diameter hose connection facing the engine 15.00" in from drivers side, a 3/8" NPT flange facing engine, a slot in the baffle, and a 1.25" hole on top for a filler neck 15.00" from the passenger side.

This tank has a 2.00" diameter hose connection that comes out on a 90 degree angle and points slightly to the passenger side. The connection is 10.75" from the edge of the tank to the center of the hose connection, and is offset towards the grill side of the tank. Note: this tank matches with bottom tank #MK 6626.

This tank has a 2.00" diameter hose connection 10.50" from the edge of the tank to the center of the hose connection. Note: the bolt pattern is the same as a #MK 6612

Two bolt-on type flanges with two 3/8" N.C. threaded holes in each. One 1.00" O.D. hose connection. One 3/8" and one 1/4" N.P.T. fittings. One 1.75" hole on top for filler neck. NOTE: 1.00" O.D. hose connection is closed when shipped. By either cutting open 1.00" O.D. hose connection or drilling a series of 3/8" holes in baffle, this tank can be used in two different models of Mack trucks. Matches model #MK 660 Mack bottom tank.

This tank has a 2.50" hose connection 9.50" from the edge of the tank to the center of the hose connection. Note: bolt pattern is the same as a #MK 6618 tank.

Two bolt-on type connections with two 3/8" N.C. threaded holes each. One 3/8" N.P.T. fitting. One 1.75" hole in top for filler neck. Matches model #MK 662 Mack bottom tank.

Two flanges with two 7/16" N.C. threads in each. One 1.00" O.D. pipe connection facing driver

Two bolt-on type flanges facing engine. One bolt-on type flange on front-top of tank for filler neck. One bolt-on type flange under over-hang for 1" hose connection. Two 1/4" and one 3/8" N.P.T. fitting facing engine. Three 3/8" N.C. threaded holes on each end of tank, facing engine. One cut-out on corner.

One 2.00" O.D. hose connection, 12.00" in from driver

Sixteen 5/16" N.C. threaded holes in baffle. One 3/8" slot in baffle. One 2.00" O.D. hose connection on driver

One flange with four 3/8" N.C. threads. Two 1/4", one 3/8" and one 3/4" N.P.T. fittings. Two mounting brackets (one on each end) with a three hole pattern on each. NOTE: As there are two locations for the filler neck on this tank, (on top or on front top corner). Specify which location you would like.

This tank has a 2.00" diameter hose connection on the driver side of center, a 1/4" and a 1/8" NPT flange on the front, a 1.25" hole on top for filler neck, two 5/16" NC threaded holes on the top of tank @ 22.00" centers, and four small holes that drain the surge tank into the header.

Top tank has one 2.50" OH hose connection. One 1.00" bypass connection. One 1.75" hole on top for a filler neck. One 1/2" NPT fitting on grill side for sight glass. One angle bracket on top of the tank with six holes. Two 1/4" NPT fittings. Tank is de-aerated.

This top tank has a 2.25" diameter hose connection, a 1.00" bypass connection, a 1.75" 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.

This top tank has an angle bracket on the top of the tank with 6 holes, a 1.00" 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 1.00" NPT access for a check valve, and a 3/4" NPT fitting for a fill bypass.

This is almost identical to tank #MK 667, except it has been modified to accommodate a charged air cooler. Also, the 1.00" diameter bypass hose has been eliminated as well as the three threaded holes in each corner of the tank.