½" I.S.O./A.S.A.E. Standard Breakaway Couplers
Breakaway Couplers
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.
GENUINE PIONEER FEMALE COUPLERS
½" I.S.O./A.S.A.E. STANDARD
BP4050-4
  • economical general purpose coupling
  • single acting sleeve
  • cannot connect under pressure
  • ½" N.P.T. thread to fit original tractor pipework
BP4250-4
  • our most popular coupling
  • double acting sleeve for one hand operation
  • cannot connect under pressure
  • ½" N.P.T. thread to fit original tractor pipework
BP8250-4C
  • double acting sleeve for one hand operation
  • connects with either or both sides under pressure
  • ½" N.P.T. thread to fit original tractor pipework
BP9250-4L (YELLOW)
BP9250-4R (RED)
  • positive lever action can lock both valves open to overcome flow variations
  • closed position positively isolates the coupling
  • ½" N.P.T. thread to fit original tractor pipework
DOUBLE ACTING COUPLER KIT
QUICK RELEASE COUPLERS
(other than Standard ½" N.P.T.F.)
FEMALE QUICK RELEASE COUPLER
PART NUMBER
THREAD
SIZE
COUPLER
SIZE
ACROSS
FLATS
BP4050-2
¼" NPFT
¼"
¾"
BP4050-3
3/8" NPFT
3/8"
1 5/16"
BP4050-5
¾" NPFT
½"
1 1/8"
BP4150-5
¾" NPFT
¾"
1 3/8"
BP4050-6P
1" NPFT
1"
1 5/8"
BP4050-15
¾ x 16 O-Ring
½"
1 1/16"
BP4050-16
7/8" x 14 O-Ring
½"
1 1/16"
MALE TIP
PART NUMBER
THREAD
SIZE
COUPLER
SIZE
HEX
SIZE
BP4010-2
¼" NPFT
¼"
¾"
BP4010-3
3/8" NPFT
3/8"
1 5/16"
BP8010-5
¾" NPFT
½"
1¼"
BP4110-5
¾" NPFT
¾"
1¼"
BP4010-6P
1" NPFT
1"
1 5/8"
BP8010-15
¾ x 16 O-Ring
½"
1 1/16"
BP8010-16
7/8" x 14 O-Ring
½"
1 1/16"
NON STANDARD ORIGINAL EQUIPMENT COUPLERS

BP4056-4 -½" N.P.T.F.
Fits JD

BP4057-4 -½" N.P.T.F.
Replaces
IHC 544787R1

NOT AVAILABLE (Obsolete)
Replace with ISO/ASAE Std
Coupler from previous page

NOT AVAILABLE
Replace with ISO/ASAE Std
Coupler from previous page

NOT AVAILABLE
Replace with ISO/ASAE Std
Coupler from previous page

BP5060-4 -½" N.P.T.F.
Replaces JD
RE-11447

J.D.

BP5070-4 -½" N.P.T.F.
=IHC 1272770
BP5070-16 -7/8" x 14 O-Ring
=IHC 544787R91

I.H.C.

BP5077-4 -½" N.P.T.F.
=IHC 395151R1
BP5077-16 -7/8" X14 O-Ring
=IHC 395149R1

I.H.C.

B3735 - ½" BSP
Replaces FORD D3NN-B964A

FORD

BP5080-4 -½" N.P.T.F.
Replaces CASE A160884

CASE

Breakaway Couplers