Diesel Chopper Pumps Specs & manuals ↓
Atlas Copco PAX F44 KD-S — 4-in Enclosed Chopper Pump
A 4-inch chopper-pump trailer with a sound-attenuated KD-S canopy and 49-hp Kohler diesel. A semi-open impeller and stainless cutting claw handle solids and fibrous material. The factory PAX F44 hydraulic reference specifies up to 950 gallons per minute and 120 feet of head as separate limits.
Estimated equipment rental only. Delivery, taxes and applicable fees quoted separately. Final pricing confirmed with dispatch.
Specifications
Equipment
- Manufacturer
- Atlas Copco
- Model
- PAX F44 KD-S / 49 HP FT4
Selected enclosed package
- Model
- PAX F44 KD-S
- Factory item
- 8972824273
- Engine
- Kohler KDI 1903TCR
- Engine power rating
- 49 hp
- Engine type
- 3-cylinder turbo common-rail diesel
- Emissions reference
- EPA Tier 4 Final; factory PAX technical sheet
- Enclosure
- Sound-attenuated KD-S canopy
- Mounting
- Pintle-hitch trailer; selected supplier reference
- Control panel
- PW1000
- Fuel tank
- 90 US gal; factory PAX-family reference
PAX hydraulic reference
- Suction / discharge
- 4 in / 4 in; ANSI Class 150 flanges
- Maximum flow
- 950 US gal/min; factory PAX F44 hydraulic reference
- Maximum head
- 120 ft; separate maximum
- Solids passage
- 3 in
- Impeller
- Semi-open, two vane
- Impeller diameter
- 9.5 in
- Maximum operating speed
- 1,900 rpm
- Test-liquid basis
- Clean water; specific gravity 1.0
- Curve qualification
- Factory test curves exclude priming-system and check-valve losses
Pump construction and priming
- Casing
- ASTM A536 SG iron
- Impeller
- ASTM A351 stainless steel
- Cutting claw
- 316 stainless steel; ASTM A351
- Wear ring / plate
- ASTM A351 stainless steel
- Shaft
- ASTM A276 stainless steel
- Seal faces
- Silicon carbide / silicon carbide
- Elastomers
- Viton
- Check valve
- Ductile iron with NBR rubber flap
- Separator
- Steel
- Vacuum pump
- Belt-driven diaphragm type
- Nominal air capacity
- 50 cfm
- Maximum vacuum
- 23.6 inHg
Operation
- Control modes
- Manual or automatic start / stop with floats or transducers
- Starting
- Electric; factory engine system reference 12 V
- Documentation scope
- KD-S identity verified in factory equipment record; hydraulic and construction reference from PAX F44 family sheet
Equipment Details
Capabilities & Features
- The stainless cutting claw works with a two-vane semi-open impeller.
- Automatic priming uses a diaphragm vacuum pump and air separator.
- The selected KD-S canopy preserves the enclosed chopper-pump configuration.
