The Chelsea 489 Series Power Take-Off, part number 489XCAHX-A4XQ or 489XCAHXA4XQ, is an 8-bolt air shift PTO designed for most manual transmissions including Eaton Fuller, Mack, and Tremec. The one-piece cast iron housing bolts directly to the 8-bolt transmission opening, eliminating the need for an adapter plate and reducing potential leak paths. The 489 Series delivers an intermittent torque rating of 201-300 lb-ft and output power of 46-55 HP. Tapered bearings replace needle bearings for improved load capacity. Air shift operation. Call us to confirm proper fit for your application.
Features
8-bolt one-piece cast iron housing mounts directly to transmission, no adapter plate required
Air shift operation
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Output power: 46-55 HP (34-41 kW)
SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft, rotated 90 degrees
Tapered bearings for greater load capacity than needle bearing designs
Tech Specs
- Mounting Type: 8-Bolt
- Mounting Option: Standard Mount (X)
- Gear Ratio Code: C (17/37)
- Input Gear Designator: AH
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 4
- Output Option: SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T), Rotated 90 Degrees (XQ)
- Intermittent Torque: 201-300 lb-ft (301-400 Nm)
- Output Power: 46-55 HP (34-41 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Product Series: 489
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
Parts manual and diagrams: Chelsea 489 Series PTO parts list with prices
