Description:
FleetRunner Heavy-Duty Automatic Belt Tensioners are the longest-lasting belt tensioners in the industry, engineered to exceed demanding OEM requirements. In laboratory tests under extreme peak-to-peak vibration and contamination tests, FleetRunner heavy-duty tensioners lasted up to 3X longer than competitive aftermarket tensioners.
Features and Benefits:
- Chrome-silicone round torsion spring for less ex-fatigue than at-spring designs
- Double row bearings carry more load and last up to 3X longer than two individual bearings
- Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
- Optimized components engineered for maximum strength and durability
- Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components
- Patented design provides superior belt alignment and tension for improved drive efficiency and life
- Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
Specifications:
Bearing Bore Inside Diameter 3 (in):
.67
Bearing Bore Inside Diameter 3 (mm):
17
Bearing Bore Inside Diameter:
1.18 in.
Bearing Bore Inside Diameter:
30 mm
Contact Surface:
Smooth/Backside, V-Ribbed Grooved, Smooth/Backside
Contents:
Tensioner Assy.
Material:
Steel, Steel, Steel
Mounting Hole Quantity:
3
Outside Diameter 1 (in):
2.95
Outside Diameter 1 (mm):
75
Outside Diameter 2 (in):
2.91
Outside Diameter 2 (mm):
74
Outside Diameter 3 (in):
2.76
Outside Diameter 3 (mm):
70
Pulley 1 Groove Quantity:
0
Pulley 2 Groove Quantity:
10
Pulley 3 Groove Quantity:
0
Detroit Diesel #:
A4722000470
Detroit Diesel #:
A4722000570
Detroit Diesel #:
A4722000870
Detroit Diesel #:
A4722000970
Detroit Diesel #:
A4722001070
Detroit Diesel #:
A4722001370
Detroit Diesel #:
A4722001470
Detroit Diesel #:
A4722001570
Detroit Diesel #:
AE4722000270
Detroit Diesel #:
EA4722000270
Detroit Diesel #:
EA4722000570
Detroit Diesel #:
EA4722001070
Freightliner Trucks #:
4722000970
Freightliner Trucks #:
A4722000170
Freightliner Trucks #:
A4722000270
Freightliner Trucks #:
A4722000570
Freightliner Trucks #:
A4722000970
Freightliner Trucks #:
A4722001370
Freightliner Trucks #:
EA4722000470
Freightliner Trucks #:
EA4722000970
