Muffler, less heat shield. 4-1/4 inch inlet length, 2-3/8 inch inlet ID, 20 inch shell length, 4-1/2 inch outlet length, 2-1/2 inch outlet OD, 29 inch OA length. Tractors: Oliver Super 77 gas & dsl. (s/n 47552 & up), Super 88 gas & dsl. (s/n 49250 & up), 770 gas & dsl. except orchard, 880 gas & dsl., 1465 & 1470 dsl., 1550 & 1555 gas & dsl. except utility, 1600 gas & dsl., 1650 & 1655 gas. Replaces 10069A, 155623A, & 166486A.

Interchange	155623A,A 139253,OL6,OL-6,
Net Weight (lbs)	6.32
Length	29"
Inlet I.D.	2-3/8
Shell Length	20
Outlet Length	4-1/2
Outlet O.D.	2-1/2
Inlet Length	4-1/4"
Outlet Length	4-1/2 "
Outlet Outer Diameter	2-1/2"
Body Diameter	4-1/4"
Body Style	Round
System Type	Vertical
Inlet Inside Diameter	2-3/8 "

Make	Type	Model
Oliver	Tractor	1465
Oliver	Tractor	1470
Oliver	Tractor	1550
Oliver	Tractor	1555
Oliver	Tractor	1600
Oliver	Tractor	1650
Oliver	Tractor	1655
Oliver	Tractor	770
Oliver	Tractor	880
Oliver	Tractor	Super 77
Oliver	Tractor	Super 88