H51 Series
Product Details
Our pumps are designed to perform across diverse applications, offering high efficiency and dependable operation in even the most extreme conditions. Built to last, they minimize downtime and maintenance – maximizing productivity where it counts.
Common Applications:
- Snow and ice control
- Utility line trucks
- Refuse equipment
- Low boys
KEY FEATURES / BENEFITS:
- Replaces Parker/Commerical® P51 Series
- 19.4 – 27.8 GPM @ 1000 RPM
- Pressure 2500 PSI – 3000 PSI maximum
- Speeds to 2400 RPM
- Bi-rotational
SPECIFICATIONS:
- Displacement 4.49 – 6.43 (cubic in/rev.)
- Maximum Operating Pressure 3000 PSI
- Input Shaft: 7/8″ – 13 T
- S.A.E. Mounting Flange “B”
| Part Number | Flange | Shaft | GPM@1000RPM | Gear Size | Cu. In. | Max Pressure (PSI) | Rear Ports | Side Ports |
| H5B6B14SF10DILB | 2x4 B | 7/8-13 Tooth | 19.4 | 1-3/4" | 4.46 | 3000 | 1-1/4" ORB | 1-1/4" ORB |
| H5B6B14SF20DILB | 2x4 B | 7/8-13 Tooth | 19.4 | 1-3/4" | 4.46 | 3000 | 1-1/4" NPT | 1-1/4" NPT |
| H5B6B14SG20DILB | 2x4 B | 7/8-13 Tooth | 22.2 | 2" | 5.10 | 2500 | 1-1/4" NPT | 1-1/4" NPT |
| H5B6B14SG25DILB | 2x4 B | 7/8-13 Tooth | 22.2 | 2" | 5.10 | 2500 | 1-1/4" ORB | 1-1/4" ORB |
| H5B6B14SH20DILB | 2x4 B | 7/8-13 Tooth | 25 | 2-1/4" | 5.73 | 2500 | 1-1/4" NPT | 1-1/2" NPT |
| H5B6B14SI10DILB | 2x4 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | 1-1/4" ORB | Blank |
| H5B6B14SI20DILB | 2x4 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | 1-1/4" NPT | 1-1/2" NPT |
| H5B2B14SI22DI | 2 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | Blank | 1-1/4" NPT |
| H5B4B14SI22DI | 4 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | Blank | 1-1/4" NPT |
| H5B4B20KG20DILB | 4 B | 1-1/4" Keyed | 22.2 | 2" | 5.10 | 2500 | 1-1/4" NPT | Blank |
| H5B4B20KI23DILB | 4 B | 1-1/4" Keyed | 27.8 | 2-1/2" | 6.375 | 2500 | 1-1/4" NPT | 1-1/4" NPT |
| H5L6B14SFRV30DI | 2x4 B | 7/8-13 Tooth | 19.4 | 1-3/4" | 4.46 | 3000 | 1" NPT | 1-1/4" NPT |
| H5L6B14SFSRV30DI | 2x4 B | 7/8-13 Tooth | 19.4 | 1-3/4" | 4.46 | 3000 | 1" ORB | 1-1/4" ORB |
| H5L6B14SIRV25DI | 2x4 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | 1" NPT | 1-1/2" NPT |
| H5L6B14SISRV25DI | 2x4 B | 7/8-13 Tooth | 27.8 | 2-1/2" | 6.375 | 2500 | 1" ORB | 1-1/2" ORB |
| Series | Rotation | Shaft End Cover | Shaft | Gear Width | Special Features | |
| P – Pumps | 2 – 20 | R – CW | 2A – 2 Bolt “A” | 10S – 5/8-9 Spline | A – 1/2″ | S – Special |
| M – Motors | 3 – 30 | L – CCW | 2B – 2 Bolt “B” | 12K – 3/4 Keyed | B – 3/4″ | D – Doweled 31, 51, 76 |
| 5 – 50 | B – Bi-Rot | 2C – 2 Bolt “C” | 14S – 7/8-13 Spline | C – 1″ | I – Integral Gear Set | |
| 7 – 75 | 4B – 4 Bolt “B” | 14K – 7/8 Keyed | D – 1-1/4″ | LB – Little Buddy Pec | ||
| 35 – 350 | 4C – 4 Bolt “C” | 14KT – 7/8 Keyed Wthd | E – 1-1/2″ | |||
| 55 – 5151 | 4D – 4 Bolt “D” | 16S – 1″-15 Spline | F – 1-3/4″ | |||
| 315 – 315 | 6B – 2/4 Bolt “B” | 16K – 1″ Keyed | G – 2.0″ | |||
| 365 – 365 | 6R – 6 Bolt Round | 16S6 – 1″-6 Spline | H – 2-1/4″ | |||
| PD – Pad Mount | 18K – 1-1/8 Keyed | I – 2-1/2″ | ||||
| 20S – 1-1/4 Spline | J – 2-3/4″ | |||||
| 20K – Keyed | K – 3.0″ |
