These cross bars are 48 " long with 3/8 " NC threads on each end.

This tank has two bolt-on flanges with four 3/8 " NF threaded holes in each, a bolt-on flange with two 3/8 " NF threaded holes, two 1/4 " NPT and one 3/8 " NPT flange facing the engine, a 1.75 " hole on top for a filler neck, a bolt-on flange in the baffle with four 5/16 " NC threaded holes, and nineteen 5/16 " NC threaded mounting holes in the baffle. The tank is lower on the passenger side to accommodate a CAC hose.

This tank is the same as tank #WS 498, but with out the CAC cut-out and one less 1/4 " NPT flange facing the engine.

This tank has three bolt-on type flange connections, a 1/4 " NPT and a 3/8 " NPT flange, a 1.25 " hole on top for the solder on cap, and a bolt-on type flange in the built-in baffle. This tank is similar to tank #WS 499, but with slightly different header dimensions and bolt pattern. NOTE: filler neck or caps not available.

This tank has a 2.50 " diameter hose connection, a bolt-on type flange on the front and rear of the tank, a 3/8 " NPT flange, two 1/4 " NPT and two 1/8 " NPT flanges, and a bolt-on type flange in the built-in baffle. Note: filler necks or caps not available.

This tank is the same as tank #WS 501 except that it has two 2.50 " diameter hose connections @ 14.00 " centers.

This tank has two bolt-on type flanges with four 3/8 " NC threaded holes, two 1/8 "NPT a 3/8 " NPT and a 1/2 " NPT flange, a bolt-on flange with two 3/8 " NC threaded holes on the top of the tank, a 1.25 " hole on top for filler neck, a 1/2 " NPT flange and one bolt-on type flange with two 3/8 " NC threaded holes on the grill side, and a bolt-on type flange with four 5/16 " NC threaded holes in the baffle on the passenger 's side.

This tank has two bolt-on type flanges with four 3/8 " NC threaded holes in each, a bolt-on type flange on the passenger 's side with two 3/8 " NPT flanges facing the engine, a bolt-on type flange on the top with two 3/8 " NC threaded holes, a 1.25 " hole on the top for a filler neck, a 1/2 " NPT flange facing the grill side, and a bolt-on type flange with four 5/16 " NC threaded holes in the baffle on the passenger 's side.

This tank has a built-in baffle with twenty-three 5/16 " NC threaded holes for the header, a flange in the baffle on the passenger side with four 5/16 " threaded holes, two bolt-on type flanges with four 3/8 " NC threaded holes in each, a bolt-on type flange on the passenger side with two 3/8 " NC threaded holes, two 1/8 " one 3/8 " and one 1/2 " NPT flange facing the engine, and a 1/2 " NPT flange on the grill side just below the cut-out for the filler neck.

"Low Flow " top tank, comes complete with check valve. One 1.00 " O.D. hose connection facing down and out to passenger side. Two 1/4 " N.P.T. fittings, on 3/8 " N.P.T. fitting and 1/2 " N.P.T. fitting, all facing engine. One 1.25 " hole on top for filler neck. Top of tank slopes down to front.

Two Bolt-on type flanges for outlet hoses each with 4 3/8 " NC threaded holes, and two 5/8 " NF threaded mounting studs @ 8 " centers, studs are each 15 " from edge of tank

This tank has two flush mounting bolt-on flanges with four 1/2 " NC bolt holes, and two mounting studs 2.75 " long with 5/8 " NF threads at 8.00 " centers. Note: this tank is similar to tank #WS 510-1, but narrower, and with a different bolt hole pattern.

Two flush mounting flanges with two bolt holes of 1/2 " N.C. threads. Two mounting studs 2.75 " long with 5/8 " N.F. threads at 8.00 " centers.

Two triangular flanges with a 3 bolt hole pattern of 3/8 " N.C. threads in each. One corner of header cut on a 45 degree angle. Tank has a small cutout in the same corner.

This tank has two bolt-on type flanges with two 1/2 " NC threaded holes in each, two mounting studs with 5/8 " NF threads @ 8.00 " centers. The mounting studs are welded to channel brackets.

This tank has two bolt-on type flanges with two 7/16 " NC threaded holes in each, and two mounting studs with 5/8 " NC threads @ 8.00 " centers.

This tank has two bolt-on type flanges with four 3/8 " NC threaded holes in each, and two mounting studs with 5/8 " NC threads @ 8.00 " centers.

This is a four pass system. The tank has two baffles, a 1.25 " diameter hose connection on the driver 's side on a 90 degree angle and facing slightly downward, a 1.25 " diameter hose connection on the passenger side 2.00 " long coming straight out, three 1/4 " NPT flanges, and two 5/8 " NC mounting studs @ 8.00 " centers.

This tank has a baffle 7/16 " from the center of the tank, and two 1/4 " NPT fittings on top - 10.00 " in from each end. Note: pairs with tank #WS 517LF bottom tank ( 4 pass system).

Top flange is an "L " shape with 10 holes, two with 5/16 " N.C. threads and eight drilled clearance for 5/16 " bolts. Bottom flange has 12 holes, four with 5/16 " N.C. threads and eight drilled clearance for 5/16 " bolts. Various other holes for shroud and brackets, etc. NOTE: Frames are not interchangeable. Order left for driver 's side or right for passenger 's side or pairs.

Same as #WS 520 except longer. NOTE: Frames are not interchangeable. Order left for driver 's side or right for passenger 's side or pairs.

Top flange overhangs 5 3/8 " towards engine with two 5/16 " N.C. threaded holes on a block that steps up 3/16 ". Top and bottom flanges have 11 holes each, 5 tapped 5/16 " N.C. and 6 drilled clearance for 5/16 " bolts. Various other holes for shroud, brackets, etc. NOTE: Side frame are not interchangeable. Order left for driver 's side and right for passenger 's side or pairs.

Top flange has 12 holes, 7 tapped 5/16" N.C. threads and 5 drilled clearancefor 5/16" bolts. Bottom flange has 9 holes, 4 tapped 5/16" N.C. threads and5 drilled clearance for 5/16" bolts. Five 1/4" N.C. threaded holes on eachside of frame. Sixteen holes on back of channel, 9 holes are 3/8" N.C.threads and 7 are 1/4" N.C. threads. Two notches in side of rail. NOTE: Sideframes are not interchangeable. Order left for driver

Top & bottom flanges each have 11 holes, six drilled clearance for 5/16"bolts and five tapped 5/16" N.C. threads. Top flange extends to 12.50" wide with three more holes drilled clearance for 5/16" bolts. Gusset on top supports overhang with six holes drilled 7/16" dia. and one hole 3/4" dia. Various other holes for shroud & brackets etc. NOTE: Frames are not interchangeable. Order left for driver's side or right for passenger's side or pairs

Top & bottom flanges have 11 holes, 3 tapped 5/16" N.C. threads and 8drilled clearance for 5/16" bolts. Top flange also has an over hang extendingto 12.50" with 3 more holes drilled clearance for 5/16" bolts. Gusset onover hang has 6 holes, 5 of them drilled 7/16" dia. and one 3/4" dia. Variousother holes for brackets & shroud etc. NOTE: Frames are not interchangeable. Order left for driver's side or right for passenger side or pairs.

Top & bottom flanges have 12 holes in each, 4 tapped 5/16" N.C. threadsand 8 drilled clearance for 5/16" bolts. Four 1/4" N.C. threaded holes ineach side of channel. Ten 3/8" N.C. threaded holes on back of channel. ( 1group of 4; 1 group of 6) Gussets have rectangular cut-outs for tube access.NOTE: Side frames are interchangeable.

Top and bottom flanges each have 12 holes, 4 tapped 5/16" N.C. threadsand 8 drilled clearance for 5/16" bolts. Each side of channel has 4 - 1/4"N.C. threaded holes. Back of channel has ten 3/8" N.F. threaded holes.NOTE: Side frames are interchangeable.

This tank has two bolt-on type flanges for hose connections each with four 3/8 " NC threaded holes, and two 5/8 " NF threaded studs at 8.00 " centers. A baffle splits the tank from left to right. Note: this tank is the same as tank #WS 509, except for the baffle.

2.50 " Hose Connections that are 9.00 " from the edge of tank. A 1/4 " NPT Flange for drain. A mounting boss at each end to attach side frames. Four 5/16 " NC threaded mounting nuts on the fan and grille side.

This tank has two flush mounting bolt-on type flanges with four 1/2 " NC bolt holes, two mounting studs 2.75 " long with 5/8 " NC threads @ 8.00 " centers, and a baffle splitting the tank from left to right. Note: this tank is the same as tank #WS 510, except for the baffle.

This hose connection is built for the bolt-on flanges of tank #WS 503. The connection is 2.50 " diameter, and is 2.00 " long.

One 2.50 " O.D. hose connection, 6.50 " in from the end of the tank to the center of the connection. One 1.00 " O.D. hose connection facing down and out to passenger side. Two 1/4 " NPT fittings, one 3/8 " NPT fitting and 1/2 " NPT fitting, all facing engine. One 1.25 " hole on top for filler neck. Top of tank slopes down to front.

This tank has a 2.50 " diameter hose connection on the passenger side (slightly upward), and a 1/4 " NPT flange.

This tank has two bolt-on type flanges for outlet hoses each with four 3/8 " NC threaded holes, and two 5/8 " NF threaded mounting studs @ 8.00 " centers. Flanges studs are centered on the tank.

This tank has a 2.50 " hose connection 4.50 " long 8.50 " from the edge of the tank the center of the hose connection, and two 1/4 " NPT flanges; one on the top of the tank and one facing the engine. Note: similar to a #WS 5091, but with a longer length and more bolt holes.

This tank has a 1.25 " diameter hose connection on the passenger side straight out to the engine, a baffle 13.06 " in from the passenger side, two 1/4 " NPT flanges, and two 5/8 " NC threaded studs 2.75 " long @ 8.00 " centers.

This tank has two flush mounting bolt-on flanges with four 3/8 " NC bolt holes, and two mounting studs 2.75 " long with 5/8 " NC threads @ 8.00 " centers Note: similar to tank #WS 510, but wider, and with a different bolt hole pattern.

This tank is the same as tank #WS 510-1, except with a baffle splitting the radiator left to right.

This Volvo/Western Star top tank has one 2.50 " diameter hose connection, and two 1/4 " NPT flanges.

Two bolt-on type flanges with two holes of 1/2 " N.C. threads. Two mounting studs 2.75 " long with 5/8 " N.F threads at 8.00 " centers. Note: same as tank #WS 511 but with a different bolt pattern with all four corners square.

1.25 " diameter hose connection with a 1/4 " NPT.

1.25 " O.D. hose connection with 1/4 " NPT threaded fitting.

1.00 " O.D. hose connection with a 1/4 " N.P.T. threaded fitting. Note: matches WS 510LF bottom tank flange.

1.00 " O.D. hose connection with 1/2 " N.P.T. threaded fitting. Note: matches WS 509LF bottom tank flange.

1.25 " O.D. hose connection with a 1/2 " N.P.T. threaded fitting. Note: matches WS 509LF bottom tank flange.

2.50 " O.D. x 3.00 " long hose connection. Note: matches WS 516 bottom tank flange.

Plate for #WS 516 bottom tank.

This Firetruck tank has a 2.50 " hose connection, a 1/4 " NPT flange, two 5/8 " NC mounting studs @ 8.00 " centers.

This tank has two bolt-on flanges with two 7/16 " NC threaded holes in each, two 5/8 " NC mounting studs @ 8.00 " centers, and a PTO cutout.

This Western Star / Volvo top tank has a 2.50 " diameter hose connection on the passenger side, and a 1/4 " NPT flange for an expansion fitting. Note: shown here with matching bottom tank #WS 5154