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bus motor home - radiator tanks and parts - Bolt on Bottom Tanks - bus

22 PART(S) FOUND
DRC# Core Dim's & Connections Comments
BS1108 Bolt on Bottom Tanks BS1108

Header: 33.12" x 9.00"
46 Bolt Holes
Bottom Tank



Identical to tank # BS751 except it is 9.00" wide

BS1307 Bolt on Bottom Tanks BS1307

Header: 27.06" x 6.25"
32 Bolt Holes
GMC Bus Bottom Tank



2 bolt on flanges
2 - 5/16" NC threaded nuts on each end of the tank
2 - 5/16" NC threaded nuts along the fan side
4 - 7/16" NC threaded bosses on top of tank for mounting purposes

BS1709 Bolt on Bottom Tanks BS1709

Header: 29.75" x 4.75"
36 Bolt Holes
Bottom Tank

2.75" diameter hose connection that faces the ground
2 - 5/16" NC threaded nuts on each end of the tank
1/4" NPT flange for a drain

BS3208 Bolt on Bottom Tanks BS3208

Header: 30.87" x 8.37"
40 Bolt Holes
Bottom Tank



Low profile tank has a large flange connection w/ 4 - 3/8" NC threaded blind bolt holes 12.50" from the edge of the tank to the center of the 2.37" diameter hole in the flange

BS5268 Bolt on Bottom Tanks BS5268

Header: 29.75" x 4.75
36 Bolt Holes
Bottom Tank

2.75" diameter hose connection that comes out the bottom and has a 90 degree angle
3/8" NPT flange for a drain
2 - 5/16" NC threaded holes on each end of the tank

BS741 Bolt on Bottom Tanks BS741

Header : 33.75" x 6.25"
42 Bolt Holes
Bottom Tank

2.75" diameter hose connection
3/8" NPT flange on the housing
Matches tank # BS740

BS7410 Bolt on Bottom Tanks BS7410

Header: 35.12" x 6.62"
46 Bolt Holes
Blue Bird Bottom Tank

Flange connection w/ 2 - 3/8" NC threaded holes
1/4 NPT flange in the center
10 plate 18.00" oil cooler

BS7411 Bolt on Bottom Tanks BS7411

Header: 33.75" x 6.25"
42 Bolt Holes
Bottom Tank

2.75" diameter hose connection
3/8" NPT flange on the housing of the hose connection
Flange connection on the bottom w/ 2 - 1/4" NC threaded studs
Angle bracket w/ 2 - 3/4" diameter holes and 1/4" NPT flange
Matches tank # BS740

BS7414 Bolt on Bottom Tanks BS7414

Header: 31.37" x 7.00"
40 Bolt Holes
Bottom Tank

2.50" diameter hose connection
14 plate 18.00" Center Oil Cooler(#1418PC)
3/8" NPT flange on the end of the tank

BS7416 Bolt on Bottom Tanks BS7416

Header: 27.12" x 7.62"
38 Bolt Holes
Orion Bottom Tank

2.50" diameter hose connection
Bbaffle in the center of the tank splits the radiator left to right
2 - 1/4" NPT flanges

BS7422 Bolt on Bottom Tanks BS7422

Header: 22.50" x 7.75"
32 Bolt Holes
Ikarus Bottom Tank

2.50" diameter hose connection
1/4" NPT flange on the end of the tank

BS7425 Bolt on Bottom Tanks BS7425

Header: 41.87" x 6.62"
50 Bolt Holes
Bottom Tank

2.75" diameter hose connection
1/4" NPT flange

BS743 Bolt on Bottom Tanks BS743

Header: 42.25" x 6.37"
50 Bolt Holes
Bottom Tank

2.75" pipe connection on the passenger side facing up with 45 degree angle
1 - 3/8" NPT fitting on bottom passenger side
Matches tank # BS742

BS7441 Bolt on Bottom Tanks BS7441

Header: 27.00" x 6.25"
32 Bolt Holes
Bottom Tank

Bolt-on flange with 4 - 3/8" NC threaded holes
2 - 5/16" NC threaded nuts on the bolt flange
2 - ears on the end of the flange with holes

BS745 Bolt on Bottom Tanks BS745

Header: 30.87" x 6.25"
36 Bolt Holes
Bottom Tank

Bolt-on flange with two clearance holes for 3/8" bolts
2 - Mounting blocks w/ 2 - 7/16" NC threaded holes in each
2 - 1/4" NC threaded nuts on the header facing the engine
Pairs with tank # BS744

BS747 Bolt on Bottom Tanks BS747

Header: 30.75" x 6.25"
38 Bolt Holes
Bottom Tank

2.75" diameter hose connection on the passenger side
1/4" NPT flange
Pairs with tank # BS746

BS7471 Bolt on Bottom Tanks BS7471

Header: 30.75" x 6.25"
38 Bolt Holes
Bottom Tank

Same as # BS747 but connection is closer to edge of the tank
Pairs with tank # BS746

BS749 Bolt on Bottom Tanks BS749

Header: 36.00" x 7.00"
46 Bolt Holes
Bottom Tank

2.75" diameter hose connection on the passenger side and a 1/4" NPT flange
Tank depth tapers from passenger side to drivers side
Matches tank # BS748

BS751 Bolt on Bottom Tanks BS751

Header: 33.12" x 6.25"'
42 Bolt Holes
Bottom Tank

2.75" diameter hose connection
3/8" NPT flange next to the hose connection
Tank tapers in depth from 3.25" deep to 0.75" deep
Pairs with tank #BS750

BS7511 Bolt on Bottom Tanks BS7511

Header: 33.18" x 6.50"
48 Bolt Holes
Bottom Tank

Two pass high flow system
2.50" diameter hose connection
3/8" NPT flange
Baffle intersects the tank across the width 11.50" from the end
Pairs with top tank # BS7512

BS8508 Bolt on Bottom Tanks BS8508

Header: 30.25" x 6.06"
40 Bolt Holes
Bottom Tank



2.50" diameter hose connection
1/2" NPT flange for drain

BS9179 Bolt on Bottom Tanks BS9179

Header: 20.12" x 7.62"
30 Bolt Holes
Orion Bus Bottom Tank



2.50" hose connection facing the engine
1/4" NPT flange for a drain cock
Macthes Top Tank # BS091708C

22 PART(S) FOUND
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