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Chelsea PTO Assembly P/N: 281GGFJW-B3RZ or 281GGFJWB3RZ

281GGFJW-B3RZ Chelsea PTO Assembly

Chelsea

Listing Price: $7,181.58
Sale Price: $3,949.87

This item qualifies for FREE shipping on orders over $295 and under 70 lbs

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Product Code:
CHL281GGFJWB3RZ
Condition:
New
Availability:
Usually Ships in 3 to 5 Business Days
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The Chelsea 281 Series Power Take-Off, part number 281GGFJW-B3RZ or 281GGFJWB3RZ, is a hydraulically shifted hot-shift PTO engineered for automatic transmissions with a 10-bolt aperture, including Allison and Caterpillar models. It mounts via a 10-bolt flange and offers nine speed ratios covering low and high ranges. The clutch pack uses steel discs that are 80% thicker than the predecessor 280 Series design, directly addressing premature tooth wear from today's higher-vibration engine environments. A ductile iron bearing cap delivers 117% greater strength versus gray iron, and an O-ring sealing configuration between housing and bearing cap improves clamp load and reduces vibration-related seal failure. Rotatable cast-iron flanges cut interference fitment issues. The series continuous torque rating is 390 lb-ft. Call us to confirm proper fit for your specific transmission and application.

Features

Hydraulic PowerShift (hot-shift) operation for 10-bolt automatic transmission apertures including Allison and Caterpillar
Ductile iron bearing cap rated 117% stronger than gray iron predecessor
O-ring sealing configuration between housing and bearing cap improves clamp load and resists vibrational effects
80% thicker steel discs in the clutch pack for reduced premature tooth wear
Nine speed ratios including dedicated low and high speeds
Wet Spline Lubrication option extends shaft life 7 to 10 times over standard
SmartStart output reduces shock load at start-up; Electronic Overspeed Control (EOC) protects driven equipment
Rotatable cast-iron flanges reduce interference clearance issues; Positive Stop for driveline outputs eliminates oil seal damage from coupling

Tech Specs

  • Mounting Type: 10-Bolt
  • Shift Type: Hydraulic PowerShift (Hot-Shift)
  • Continuous Operation: Yes
  • Series Continuous Torque: 390 lb-ft (529 Nm) - verify actual rating on application pages
  • Speed Ratios: Nine, including low and high
  • Output Types: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
  • Output Shaft Options: 3/4 in. 11T Pump Spline, SAE B 7/8 in. 13T Pump Spline, SAE C 1-1/4 in. 14T Pump Spline, DIN 5462 Pump Spline, SmartStart Round Shaft (1-1/4 in. - 5/16 in. Key), 1410 Companion Flange, DIN 120 Flange, DIN 100 Flange
  • Lubricant Options: Pressure Lube, Wet Spline
  • Transmission Compatibility: Allison and Caterpillar (10-bolt aperture)
  • Part Number: 281GGFJW-B3RZ or 281GGFJWB3RZ

Additional Information

Chelsea PTO 281 Series model break down
The 281 Series is an evolution of Chelsea's top-selling 280 Series PTO, carrying forward the same 10-bolt hot-shift platform while introducing structural and sealing upgrades designed to address the vibrational demands of modern engine designs. Common market applications for the 281 Series include fire and rescue apparatus, truck cranes, pumper-cleaner trucks, and refuse vehicles. The hose required for installation is included with the assembly. Relevant Chelsea documentation includes the 281/288 Series Parts List (HY25-2281-M1/US) and the 267/281/288/871/878 Series Owner's Manual.

Parts Manual: Chelsea 281 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.

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