JW Diesel Hammer
D128
Hammer Weight55,270 lbs
Maximum Energy307,563 ft-lbs
Common Leader Size42 in
Recommended Max Pile Weight
Steel128,000 lbs
Concrete96,000 lbs
Technical Document Downloads:
Features and BenefitsJuWei -52 Series · View brochure
Configure Your Quote
D128 Trip Configuration
Which trip configuration would you like PIE to quote?
Lead Guide Selection
What lead guide size do you need?
The standard size for the D128 is 42/43". You may also select any larger guide size.
Hammer Added to Quote Cart
Do you need a drive cap?
If yes, we’ll take you directly to the Drive Caps catalog so you can add the appropriate system to the same quote.
Single Acting Diesel Impact Hammer -52 Series
D128 Diesel Hammer Specifications
Fuel Settings — Estimates
| Setting | Energy per Blow (ft-lb) | Energy per Blow (kNm) |
|---|---|---|
| 4 (est.) | 307,563 | 417.00 |
| 3 (est.) | 266,555 | 361.40 |
| 2 (est.) | 225,547 | 305.80 |
| 1 (est.) | 184,538 | 250.20 |
Estimates only, not JuWei ratings. APE D128 setting proportions mapped to JuWei’s 250.2–417 kNm range; endpoint mapping is assumed. Do not use for operation or bearing/drivability calculations. JuWei overall rate: 36–45 blows/min; setting-specific rates are not supplied.
Standard or Hydraulic Trip with Power UnitsLead Guides Included
All Parts Reverse-CompatibleWith all major brands
Imperial
- Energy per Blow
- 184,538–307,563 ft-lb
- Blows Per Minute
- 36–45
- Ram Weight
- 28,219 lb
- Hammer Weight (Includes Trip Device)
- 55,270 lb
- Hammer Weight (Without Trip Device)
- 53,616 lb
- Trip Device Weight
- 1,653 lb
- Diesel Fuel Tank Capacity
- 50.19 US gal
- Lube Tank Capacity
- 15.85 US gal
- Fuel Consumption
- 9.51 US gal/hr
- Oil Consumption
- 0.95 US gal/hr
- Hammer Length
- 306.4 in
- Hammer Width
- 40.6 in
Metric
- Energy per Blow
- 250.2–417 kNm
- Blows Per Minute
- 36–45
- Ram Weight
- 12,800 kg
- Hammer Weight (Includes Trip Device)
- 25,070 kg
- Hammer Weight (Without Trip Device)
- 24,320 kg
- Trip Device Weight
- 750 kg
- Diesel Fuel Tank Capacity
- 190 L
- Lube Tank Capacity
- 60 L
- Fuel Consumption
- 36 L/hr
- Oil Consumption
- 3.6 L/hr
- Hammer Length
- 7,783 mm
- Hammer Width
- 1,030 mm
U-Leader Information
Minimum Size: 42 inches
Most Common Size: 42 inches
Specification Basis
JuWei lists one maximum pile weight, not separate steel and concrete ratings. Final selection requires review of pile, soil, capacity and drivability. Stroke and anvil specifications are not supplied in the chart; confirm with PIE.
Bearing Chart
D128 Bearing Capacity Chart
Legacy reference only: not revalidated against the current JuWei energy ratings. Do not use for design or acceptance; request a verified chart from PIE.
Open Bearing Chart PDF →