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Constant Mesh (Non-Shiftable) 10-Bolt Power Take-Off (PTO) - 897 Series
Brand: Parker ChelseaChelsea 897 Series Power Take-Off - PTO is a constant mesh PTO for the Allison 3000 & 4000 transmissions that provides better clearance with the highest torque rating in the industry - up to 670 lb-ft.
It fits neatly between the transmission and the frame rail of the truck and locates the pump output to the rear of the transmission for adequate space.
It mounts like a standard side mounted PTO but includes an additional bracket at the rear of the transmission for support.
The 897 Series is a single unit, not a PTO with an extension.
The main shaft is one-piece shaft eliminating the input splines between the PTO and the output extension.
The pump interface is located at the rear of the transmission to allow the housing and gear section to tuck in tightly to the transmission for improved clearance.
The output utilizes Wet Spline Technology which extends PTO and pump shaft life in demanding conditions.
The 897 Series can be ordered for transmissions with or without a cooler or retarder or both.
It is a perfect PTO for aerial trucks, fire & rescue trucks, snow & ice, or anywhere pump space and high torque is required.
Features- Extended Shaft to Improve Pump Clearance
- Continuous-duty Torque Rating Up to 670 ft-lb
- Wet-spline Option to Extend PTO/Pump Shaft Life
- Two Year Warranty
Specifications
Brand
Transmission Manufacturer
- Allison
Intermittent Torque Rating
- 501+ Nm
- 501+ lb-ft
Mounting Style
- 10-Bolt
Outlet Flange Type
- SAE C
Output Power
- 51+ kW
- 56+ hp
Output Shaft Type
- SAE ”C” (”XS”) Output
- SAE C
Product Series
- 897
Shift Type
- M = Constant Engagement
- Constant Mesh
Input Gear Designator
- FJ = Allison World Transmissions
Lubricant
- W = Wet Spline
Continuous Torque
- 908 Nm (Check Application Pages for Actual Torque Ratings)
- 670 lb-ft (Check Application Pages for Actual Torque Ratings)
Shaft Power
- 500 rpm: 48 kW, 1000 rpm: 95 kW
- 500 rpm: 64 hp, 1000 rpm: 128 hp
Weight
- 86 lb
- 39 kg
- Fire and Rescue Trucks
- Pumper Cleaner
- Truck Cranes
- Refuse Trucks
Documentation
Certifications and Approvals
Datasheet
- 897 Series Parts List - HY25-2890-M1 US pdf
- 897 Series Sales Literature - HY25-0085-B1 US pdf
- 897 Series Sales Literature - HY25-0127-B1 US pdf
- Chelsea Power Take-Off (PTO) General Information Catalog pdf
- Chelsea Power Take-Off (PTO) Quick Reference Guide pdf
- Chelsea Power Take-Off (PTO) Stud Kits - HY25-2002-M1 US pdf
- Chelsea Power Take-Off (PTO) Wet Spline Option pdf
- PTO-PNI-216 - Output Flange Cover Plates for 890/897 Series pdf
- PTO-PNI-249 - New Ratios for 870/877 and 890/897 Series on Allison 4000 Series Transmissions pdf
- PTO-PNI-264 - 890/897 Family Lube Hose Changes pdf