Parker 221 Series - Pressure Lube for Allison 1000, 2000;2400 Series

Bulletin HY25-1135-M1/US
Owner’s Manual
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
35
Allison Installation
6 and 8-Bolt PTOs
Pressure Lube for Allison 1000, 2000/2400 Series
442 Series
(SK-382 Rev B)
500841-1
90
O
Elbow Pipe
328075X Hose Assembly
See chart below
379896 (442*FHVP)
379594 (442*BHVP)
Pipe Adapter
442 Series
Pressure Lube Hose Connection
The specific T fitting for each Automatic Transmission is called out at the bottom of each
transmission’s application sheet. If a T fitting is not called out, then a standard pipe tee will adapt.
Allison 1000, 2000/2400 Series Converter Housing Options
Chart I
Dimensional Information
TEE
FITTING
378840 378880 378970 378897
D .750-16 UNF 2A .875-14 UNF 2A 1.062-12 UNF 2A 1.312-12 UN 2A
E .250-18 NPTF .250-18 NPTF .250-18 NPTF .250-18 NPTF
F .750-16 NPTF .875-14 UNF 2NB 1.062-12 UNF 2B 1.312-12 UN 2B
Converter
Housing
Group Number
SAE
Number
Description 1000 2000 2400
Chelsea
Fitting
34-561 #3 Integral Cooler Ports STD. — — 378840
34-562 #2 Manifold Pad OPT. STD. STD. 378970
34-563 #3 Manifold Pad OPT. STD. STD. 378970
34-565 #3 Integral Cooler Ports STD. — — 378840
34-566 #2 Manifold Pad OPT. STD. STD. 378970
34-567 #2 Manifold Pad OPT. STD. STD. 378970
34-572 #3 Integral Cooler Ports STD. — — 378840
34-573 #3 Integral Cooler Ports STD. — — 378840