Allison offers several model choices, giving you ultimate control over selecting the features and power you need for your fleet. See the grid below to compare all of our transmission models and find the one that best meets your business needs.
Chelsea 890 Series was designed to fit the Allison 3000/4000 Series transmissions. This design moves the PTO/Pump mounting flange to the rear of the transmission for better pump clearance. All 890s have Wet Spline outputs for longer pump spline life.
Chelsea 890 Power Take Off
The 890 Series Power Take-Off (P.T.O.) is mounted between the transmission and the frame rail of the truck. It mounts like a standard side mounted P.T.O. with an additional bracket at the rear of the transmission. It places the output of the P.T.O. beyond the rear of the transmission where there is extra space. The 890 Series is a single unit, not a P.T.O. with an extension, the main shaft is one piece eliminating the input splines between the P.T.O. and the shaft extension. The clutch has been moved to the rear of the unit to allow the housing and gear section to tuck in tightly to the transmission. The output utilizes a wet spline which eliminates fretting problems.
- XS = Class “C” 2 & 4-Bolt Pump Mount
- XK = Class “B” 2 & 4-Bolt Pump Mount
- AF = Class “B-B” 2 & 4-Bolt Pump Mount
- XY = DIN 5462 Pump Mount
- AZ = Class “B” 2 & 4-Bolt Pump Flange, Class “C” Shaft
- XV = 1-1/2″ – 10 Spline Shaft w/1410 Flange
- AB = 1-1/2″ – 10 Spline Shaft w/DIN 120 Flange
- AC = 1-1/2″ – 10 Spline Shaft w/DIN 100 Flange
Available gear ratios are:
- A = 24/40
- B = 25/39
- C = 26/38
- D = 27/37
- E = 29/35
- F = 31/33
Parker Chelsea 890 Power Take Off for Allison Transmission
Category: power take offs
Ratio: xxx
Output: xxx
Max Nm: xxx
Max Hp: xxx
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