• Hypro 8304BV-HM5C — Pump Assembly-Gear/Hydraulic Driven (category illustration, actual part may vary)
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Hypro

8304BV-HM5C — Pump Assembly-Gear/Hydraulic Driven

8304BV-HM5C — Pump Assembly-Gear/Hydraulic Driven

$1,236.86 USD
$2,061.43 USD $1,236.86 USD
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The 8304BV-HM5C is a Hypro 8304B Series hydraulic-driven gear pump — gear pump with integral hydraulic gerotor motor and pressure relief valve, rated at Positive-displacement gear pump to 100 PSI, driven by up to 4.5 GPM of hydraulic oil.

Specifications

Type Positive-displacement gear pump, hydraulic driven
Max operating pressure 100 PSI
Ports 1/2" NPT with anti-reverse check
Max hydraulic oil flow to motor 4.5 GPM - do not exceed, the pump will over-speed
Max liquid temperature at motor 200 F
Hydraulic systems supported Open center, closed center and load-sensing
Pressure relief valve Fitted - the BV suffix denotes the relief-valve cover (11489); the plain 8304B uses non-relief cover 11487
Bypass adjustment Adjusting screw 3220-0029 sets bypass/flow
Size Compact, suited to retrofit installations

Service Parts

Ref. Part No. Description Qty
14 0500-8300 Gear pump drive shaft 1
17 0150-8300B Gear pump body 1
19 2107-0002 Seal 1
20 1810-0038 Retaining ring (external) 1
21 1820-0013 Retaining ring (internal) 1
22 2000-0010 Ball bearing 1
23 1410-0131 Front cartridge (2010 and newer models) 1
25 1720-0268 O-ring (2010 and newer models only) 2
26 1410-0130 Spacer (2010 and newer models) 1
26 1410-0074 Seal spacer (pre-2010 models) 1
27 2029-0010 Thrust bearing race 2
28 2029-0009 Thrust bearing 1
29 1810-0026 Snap ring 1
30 0539-2500 Hydraulic motor drive shaft 1
31 1610-0031 Key 1
32 2250-0060 Lock nut 4
33 0150-2500C Motor body (includes main bearing) 1
34 1720-0110 O-ring 2
35 0704-2500C1 Gerotor housing 1
36 1600-0037 Dowel pin 1
37 1600-0044 Dowel pin 1
38 3900-0048 Gerotor assembly 1
39 0254-2500C2 Motor endplate (includes main bearing) 1
40 2270-0039 Washer 4
41 2220-0032 Cap screw 4
42 1720-0108 O-ring 1
43 3360-0021A Pressure port adapter 1
45 3320-0051A Tank port adapter 1
46 3220-0029 Bypass adjusting screw 1
47 1700-0047 Gasket 1
48 2270-0027 Washer 1
49 2250-0038 Jam nut 1

Repair Kits

Kit No. Description
3430-0748 Parts kit - ball bearing (ref 22), motor shaft seal (ref 24), thread seal gasket (ref 47), two cartridge o-rings (ref 25) with washer (ref 48), two motor housing o-rings (ref 34) and port adapter o-rings (ref 42 and 44)

Parts and specifications per Hypro manual L-1471 Rev. B.

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