Dealer Transfer Request
Fields with asterisks* are required.
H&S HPH4255 550-Bushel
HPH4255 550-Bushel
Hydraulic Push
Overview:
HPH4255 383.39 Cu. Ft. Struck Per ASAE S324.2 Hydra-Push
- Center Drive System
- Solid Virgin Grade Poly Floor & Sides
- Channel Floor Supports Spaced at 9½” for Superior Strength
- Easily Removable Beater Assembly
Features
- All horizontal beater hydraulic push models use solid virgin grade poly with UV inhibitor for the floor and sides, allowing less friction.
- The hydraulic endgate has two cylinders with ⅜″ hose and pipe for faster operation in cold weather.
- Heavy-duty rectangular tubing is used for the pole to ensure strength and long life.
- Structural channel floor supports are spaced 9 ½″ apart are used for maximum floor strength.
- Driveline protection is provided by a constant velocity PTO and straight shaft under the spreader connect to the rear mount angle gearbox, over to the beater drive sprocket, and then to the beater assembly.
- The hydraulic push-off system on all models features two hydraulic cylinders that sequence to reduce push-off forces for fast unloading of material.
- Beater blades are replaceable.
- Beater assembly is removable for stockpiling manure.
- Removal of the beater assembly is done by simply removing the mounting bolts and removing the drive chain to the beater assembly.
- Choice of bullnose or clevis hitch
- Poly bump rails
- LED highway lighting
Specifications
| MODEL | HPH4255 |
| Capacity | |
| Capacity - Old Rating | 550 bu |
| Capacity - Cu. Ft Struck Level Per ASAE S324.2 | 383.39 |
| Capacity Cu. Ft. Heaped Per ASAE S324.2 | 511.27 |
| Height | |
| Side Loading Height | 81″ (205.7 cm) |
| 2nd Beater Height | 86 ¾″ (220 cm) |
| Vertical Beater Height | - |
| Height - Top of Hyd. Endgate | 85 ½″ (218 cm) |
| Height at Top of Pusher | 95″ (241 cm) |
| Height - Top of Screen | - |
| Dimensions | |
| Inside Width | 72″ (183 cm) |
| Inside Length | 15′ (4.6 m) |
| Inside Depth | 53″ (135 cm) |
| Overall Width w/Tires | 10′ 2″ (310 cm) |
| Overall Length | 28′ (8.5 m) |
| Construction | |
| Standard Number of Beaters | 2 |
| Horizontal Beater Diameter/Lower | 29″ (71 cm) |
| Horizontal Beater Diameter/Upper | 29″ (71 cm) |
| Vertical Beater Diameter | - |
| Replaceable Beater Paddles | Yes |
| Removeable Beater Assembly | Yes |
| Hub | 10 Bolt |
| Hitch Choices | Clevis or Bullnose |
| Tire Choices | 425 x 22.5 Used Truck Tires, or Heavy-Duty Tandem Axle w/600/50 x 22.5 |
| Hydraulic Endgate | Standard |
| Poly Side Rails | Standard |
| PTO Choices | 1 ⅜" or 1 ¾" 1000 RPM PTO w/Overrunning Clutch |
| Hydraulic | |
| Hydraulic Push Cylinder Diameter | 4 ½″ |
| Weight w/Tires | |
| Weight w/Tires | 8,500 lbs. |
| Standard | |
| Rear Hydraulic Endgate | Standard |
COME AND SEE US
- 42255 Oberlin Elyria Road
- Elyria, OH 44035
- Get Directions
- 866-542-5625 | 440-322-7064
Or 440-322-8821 - Fax: 440-281-8768
- M-F: 8:00 am - 5:00 pm
- SAT: 8:00 am - 12:00 pm
© Copyright by Polen Implement, Ohio 2026. All rights reserved. Reproduction of material appearing on this Web site is strictly prohibited without written permission.

