B3700 HST no hydraulics and no movement

jimmy171457

New member

Equipment
B7300
Sep 27, 2025
1
0
1
louisiana
Have a b3700 HST. had a leaking seal. replaced seal everything worked until Came to pick it up and 3 point and belly mower wouldn't raise , Then it quit moving.
hyd oil is clean and full. screens and filters are clean. Im not sue dividing valve is working i get oil out of the port going to oil cooler and noting out of 3 pt hitch side. really tired of fooling with this. Be gentle i know i don't know what I'm doing. Don't have hydraulics on vintage motorcycles.
thanks for any help.
 

North Idaho Wolfman

Moderator
Staff member
Lifetime Member

Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
33,855
9,077
113
Sandpoint, ID
First let us assume your working on a B7300 and not a B3700

When you did the seal, did you drain all the fluid?
Did you pull the hydraulic filter screen and clean it?

1759121248518.png
 

TheOldHokie

Well-known member
Lifetime Member

Equipment
L3901/LA525, G2160/RCK60, G2460/RCK60
Apr 6, 2021
10,341
5,571
113
Myersville, MD
windyridgefarm.us
Have a b3700 HST. had a leaking seal. replaced seal everything worked until Came to pick it up and 3 point and belly mower wouldn't raise , Then it quit moving.
hyd oil is clean and full. screens and filters are clean. Im not sue dividing valve is working i get oil out of the port going to oil cooler and noting out of 3 pt hitch side. really tired of fooling with this. Be gentle i know i don't know what I'm doing. Don't have hydraulics on vintage motorcycles.
thanks for any help.
Does this tractor have a loader on it?

Dan