31 results found!
#665-1 - HDR: 33" X 6 3/8" - 40 BH - 24 lbs. 
Mack bottom tank

This tank is a mirror image of tank #665, so the rectangular flange is on passenger’s side.
#665 - HDR: 33" X 6 3/8" - 40 BH - 24 lbs. 
Mack bottom tank

This tank has a bolt-on type flange on the driver’s side with four 3/8" NC threaded holes, a 3/8" NPT fitting in the corner, and a 1" I.D. bushing mount in the center of the tank.
#664-1 - HDR: 29 1/2" X 6 1/8" - 44 BH - 23 lbs. 
Mack bottom tank

Tank has a 5" wide x 1" deep cut-out in centre of header for power take off, creating two 6 1/8" x 12 1/4" header flanges with 22 bolt holes each. Flanges & mounts are the same as #664.
#664 - HDR: 29 1/2" X 6 1/4" - 40 BH - 21 lbs. 
Mack bottom tank

This tank has a flange in the center with a 2 3/4" diameter hole and two bolt holes with 7/16" NC threads, a flange on the driver’s side with 1 1/2" diameter hole and two 5/16" NC bolt threads, and two mounts with 5/8" NC threads @ 9" centers.
#6633LF - HDR: 36 3/8" x 6 1/4" - 46 BH 
Mack bottom tank

This tank is the same as tank #6627LF, but with taller keyhole brackets.
#6632-OC - HDR: 28 7/8" x 6 3/8" - 34 BH 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection, a 3/8" NPT flange for a drain cock, and a 7 plate oil cooler with 18" centers (718PC).

Note:  this tank is similar to a #6626, but with 34 bolt holes.
#663-1 - HDR: 29 1/2" X 6 1/2" - 38 BH - 18 lbs. 
Mack bottom tank

This tank has a bolt-on type flange with four 7/16" NC threaded holes, and two 5/8" NC mounting holes @ 9" centers.
Note:  same as tank #663 but shorter.
#663 - HDR: 40" X 6 1/2" - 48 BH - 22 lbs. 
Mack bottom tank

This tank has a bolt-on type flange angled at approximately 40 degrees, with four 7/16" NC threaded holes.  There are two 5/8" NC mounting holes @ 9" centers.
#6629-OC - HDR: 36 3/8" x 6 1/4" - 46 BH - 27 lbs. 

Mack bottom tank

This tank has a 2 1/2" diameter hose connection on the driver's side facing the engine, a 3/8" NPT flange on the bottom of the tank, and two keyhole type mounting brackets on the bottom of the tank. This tank comes with an oil cooler installed and can be ordered with either a  7 plate or 10 plate oil cooler with 3/4" NPT fittings spaced @ 18" center to center facing the engine. (718PC or 1018PC)

Note:  tank #6619 is identical except without an oil cooler.

#6628-OC - HDR: 28 7/8" x 6 3/8" - 34 BH - 24 lbs.  
Mack bottom tank

This tank has a 2 1/2" diameter hose connection, a 3/8" NPT flange, and a plate oil cooler with 18" centers.

Standard issue is a 7 plate cooler.  A 10 plate cooler is available upon request.

Note:  this tank is similar to tank #6624, except it has a 34 BH bolt pattern instead of a 38 BH bolt pattern. (check before ordering)
#6627LF - HDR: 36 3/8" x 6 1/4" - 46 BH - 18 lbs. 
Mack bottom tank

This tank has a  1" diameter and a 1 1/4" diameter hose connection, two keyhole brackets that sit low on the tank @ 15 3/4" centers, and two 1/4" NPT flanges. A baffle in the center of the tank splits the radiator front to back.
#6626-OC - HDR: 28 7/8" x 6 3/8" - 38 BH - 25 lbs. 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection, a 3/8" NPT flange, includes 7  plate oil cooler with fittings @ 18" centers.

Note: can also accommodate 10 plate @18" ctrs, please specify at time of order


#6625 - HDR: 36 3/8" x 6 1/4" - 46 BH - 17 lbs. 
Mack bottom tank

This tank has a 3 1/2" hose connection, and two keyhole brackets @ 15 3/4" centers.
#6624-OC - HDR: 28 7/8" x 6 3/8" - 38 BH - 25 lbs. 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection, a 1/4" NPT flange, and a 7 plate oil cooler with fittings @ 18" centers (#718PC).

Note:  this tank is similar to tank #6628, except that it has a 38 BH bolt pattern instead of a 34 BH bolt pattern. (check before ordering)
#6623-OC - HDR: 36 3/8" x 6 1/4" - 46 BH - 38 lbs. 
Mack bottom tank

This tank has a 3" diameter hose connection, two keyhole brackets @ 15 3/4" centers, and a 3/8" NPT flange.  Comes with a 10 plate oil cooler with fittings space @ 18" centers (#1018PC).
Same as tank #6623, but with an oil cooler.
#6623 - HDR: 36 3/8" x 6 1/4" - 46 BH - 25 lbs. 
Mack bottom tank

This tank has a 3" diameter hose connection, two keyhole brackets @ 15 3/4" centers, and a 3/8" NPT flange.
#6622 - HDR: 36 3/8" x 6 1/4" - 46 BH - 17 lbs. 
Mack bottom tank

This tank has a 3" diameter hose connection,  and two keyhole brackets @ 15 3/4" centers.

Note:  tank #6625 is the same tank with a 3 1/2" diameter hose connection.
#6621 - HDR: 36 3/8" X 6 1/4" - 46 BH - 27 lbs. (Old #679A35) 
Mack bottom tank

This tank has a 3 1/2" diameter hose connection straight out the bottom approximately 16" in from end, a 3/8" NPT fitting on the bottom, and two keyhole type mounting holes 19 1/2" from the end of one key to the end of the other.
#6620 - HDR: 36 3/8" X 6 1/4" - 46 BH - 27 lbs. (Old #679A5) 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection on the driver’s side facing the engine, a 3/8" NPT flange on the bottom passenger’s side, and a mounting bracket 26 3/4" long.
#662 - HDR: 37" X 6 7/8" - 44 BH - 31 lbs. 
Mack bottom tank

This tank is the same as tank #660 except the header is 7/8" wider, and the mounting brackets are higher.
#6619 - HDR: 36 3/8" X 6 1/4" - 46 BH - 27 lbs.(Old #679A) 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection on the driver’s side facing the engine, a 3/8" NPT flange on the bottom, and two keyhole type mounting brackets on the bottom.
#6618 - HDR: 36 3/8" X 6 1/4" - 46 BH - 27 lbs. (Old #679B) 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection on the driver’s side facing the engine on slightly less than 90o. The tank is only 1 1/2" deep. there is a mounting bracket on the tank 6" high with two 5/8" diameter holes @ 8" centers.
#6617LF - HDR: 36 3/8" x 6 1/4" - 46 BH 
Mack bottom tank

This low flow tank has a baffle splitting the tank front to back, One 1" and one 1 1/4" diameter hose connection coming out the bottom on a 90o elbow and facing passenger side on approximately a 45o angle. Two 1/4" NPT flanges for drains, and two keyhole type mounting brackets 3" high @ 16" centers of round to round.
#6616 - HDR: 36 3/8" X 6 1/4" - 46 BH - 13 lbs. 
Mack tank

This tank has a 2" diameter hose connection straight out towards the engine on the passenger side 11 3/16" from the edge of the tank to the center of the hose connection, and a bracket on each end of tank with a 5/16" diameter hole in each.
#6615 - HDR: 36 3/8" X 6 1/4" - 46 BH - 27 lbs. 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection 6 1/2" from the edge of the tank to the center of the hose connection, a mounting bracket 7 1/4" high with two 5/8" diameter holes @ 8" centers. Tank is only 1 3/8" deep.
#6614 - HDR: 42" X 6 1/4" - 48 BH - 21 lbs. (Old #660-040) 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection 16 1/8" from the edge of the tank to the center of the hose connection, and two mounting brackets approximately 2 1/2" high (they taper about a 1/4").  Each mounting bracket has a 5/8" diameter hole and are spaced @ 20" center to center.
#661-1 - HDR: 33" X 6 3/8" - 40 BH - 11 lbs. 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection straight out the bottom. The tank slopes from end to hose connection.
#661 - HDR: 33"X 6 3/8" - 40 BH - 11 lbs. 
Mack bottom tank

This tank has a 2 1/2" diameter hose connection on the driver’s side. The tank slopes from the passenger’s side to the driver’s side.
#660 - HDR: 37" X 6" - 44 BH - 29 lbs. 
Mack bottom tank

This tank has two bolt-on type flanges with two 7/16" threaded holes in each, and two mounting brackets with holes @ 8" centers.
#091211A - HDR: 36 3/8" x 6 1/4" - 46 BH 
Mack bottom tank

This tank has a 3 1/2" diameter hose connection, a 3/8" NPT flange, and two keyhole mounting brackets.
Bolt pattern is the same as tank #6619.
#022508A - HDR: 37" x 6 7/8" - 44 BH 
Mack bottom tank

This tank is similar to tank #662, except with 5/8" NF mounting nuts instead of brackets, and only one flanged connection.  Bolt-on  hose connection has a 2 1/2" diameter and turns on a 90o bend.  The tank has a 3/8" NPT flange in the center for a drain.