04-15981-016 Meritor Rear Hub Assembly - TL Series Trailer Axle

The Meritor 04-15981-016 or 0415981016 is a unitized rear hub assembly built for the TL trailer axle series. This hub-only unit carries a 20,000 lb. GAWR rating and features a 10-stud wheel and drum bolt pattern on an 11.25 in. bolt circle diameter. The drum pilot diameter measures 8.778/8.775 in., the wheel pilot diameter 8.653/8.646 in., and the flange outer diameter is 13.00 in. An ABS tone ring is included, with an ABS pilot diameter of 6.503/6.50 in. The cartridge bearing design (compatible with BTH-0037 from SKF or 9904-1074 from Timken) integrates the inner and outer cones, cups, and oil seal into one serviceable unit. Hub cap bolt circle is 6.375 in. with a 5/16-18 UNC-2B thread and a 6-bolt hub cap pattern. Call us to confirm proper fit for your trailer application.

Features

TL axle series, trailer application, hub-only unitized design
GAWR: 20,000 lb.
10-stud wheel and drum bolt pattern, 11.25 in. bolt circle diameter
Drum pilot diameter: 8.778/8.775 in. | Wheel pilot diameter: 8.653/8.646 in. | Flange OD: 13.00 in.
ABS tone ring included; ABS pilot diameter: 6.503/6.50 in.
Cartridge bearing: BTH-0037 (SKF) or 9904-1074 (Timken); hub cap thread 5/16-18 UNC-2B

Tech Specs

• Axle Series: TL
• Axle Application: Trailer
• Hub Style: Unitized
• Hub Type: Hub only
• GAWR: 20,000 lb.
• Brake Type: Drum
• Tone Ring: Yes
• ABS Pilot Diameter: 6.503/6.50 in.
• Drum Pilot Diameter: 8.778/8.775 in.
• Wheel Pilot Diameter: 8.653/8.646 in.
• Flange Outer Diameter: 13.00 in.
• Wheel Stud Pattern: 10
• Wheel Stud Bolt Circle Diameter: 11.25 in.
• Drum Bolt Pattern: 10
• Drum Bolt Circle Diameter: 11.25 in.
• Wheel Stud Hole: 0.904/0.906 in.
• Drum Bolt Size: 0.904/0.906 in.
• Hub Cap Bolt Circle Diameter: 6.375 in.
• Hub Cap Bolt Thread: 5/16-18 UNC-2B
• Hub Cap Pattern: 06-bolt
• Cartridge Bearing (BTH-0037 / SKF): Inner cone, outer cone, inner cup, outer cup, oil seal
• Cartridge Bearing (9904-1074 / Timken): Inner cone, outer cone, inner cup, outer cup, oil seal
• Wheel Stud Part Number: 09-001989
• Base Part Number: 15981
• VMRS Code: 018-002-001

Additional Information

This hub assembly is documented in Meritor catalog PB2006 (Drums, Hubs and Rotors). Pro Gear and Transmission sells this as a genuine Meritor OEM part. Call us to verify fitment with your specific trailer axle configuration.