Features
489 Series, 8-bolt one-piece cast iron housing mounts directly to transmission opening, no adapter plate required
12V electric/air shift; electric over air shift option available within the 489 Series
SAE B 2 or 4-bolt flange with a 1" 15-tooth SAE BB shaft, no pressure lube
Intermittent torque rating: 250 lb-ft (339 Nm); shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Tapered bearings for greater load-bearing capacity over needle-bearing designs
Kit-style construction shares internal parts with the Chelsea 442 Series, simplifying service
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- Mounting Option: Standard Mount with Metric Studs (G)
- Gear Ratio Code: F (21/37)
- Input Gear Designator: AH
- Lube Option: No Pressure Lube (X)
- Shift Option: 12V DC Electric/Air Shift (P)
- Assembly Arrangement: 3
- Output Option: SAE B 2 or 4-Bolt Flange, SAE BB Shaft (1" 15T) (AF)
- Intermittent Torque: 250 lb-ft (339 Nm) - Check Application Pages for Actual Torque Ratings
- Shaft Power: 24 HP at 500 RPM; 48 HP at 1,000 RPM
- Output Power: 46-55 HP (31-40 kW)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other manual transmissions with 8-bolt PTO opening
Additional Information
Matched by full model number. Check the mounting, input gear and output against the unit you are replacing before you order. Look up any Chelsea, Muncie or Bezares number on our Muncie to Chelsea PTO cross reference.

