- Part Number
- 8900000105
- Chuck / shank
- .580 in Hex × Oval Collar
- Cylinder stroke (in)
- 2
- Weight (lb)
- 13
- Length (in)
- 12.875
- Impact rate (BPM)
- 2400
- Air consumption (CFM; test pressure not listed)
- 25
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
Chicago Pneumatic
Chicago Pneumatic CP4123 Chipping Hammer — Outside Trigger
Overview
Chicago Pneumatic CP4123 is a pneumatic chipping hammer for construction and industrial applications. Its outside trigger provides throttle control, with 2-, 3- and 4-inch cylinder-stroke configurations.
Features & Applications
- Trigger: Outside trigger.
- Retainer: Standard oval-collar retainer.
- Compare 6 complete-tool configurations by model and manufacturer part number.
CP4123 Part Numbers
Chicago Pneumatic CP4123 Chipping Hammer
CP 4123 2R · Part No. 8900000104
.680 in Round × Oval Collar; 2 in stroke
CP 4123 2H · Part No. 8900000105
.580 in Hex × Oval Collar; 2 in stroke
CP 4123 3R · Part No. 8900000106
.680 in Round × Oval Collar; 3 in stroke
CP 4123 3H · Part No. 8900000107
.580 in Hex × Oval Collar; 3 in stroke
CP 4123 4R · Part No. 8900000108
.680 in Round × Oval Collar; 4 in stroke
CP 4123 4H · Part No. 8900000109
.580 in Hex × Oval Collar; 4 in stroke
Match the model, chuck and complete-tool part number. Compare the configurations below when requesting a quote.
Safety & operating manual (PDF)
Parts drawings by model
- 9870055600 CP4123 4H CHIP HAMMER Spare parts list: Handheld pneumatic pick hammers PUN000001 - PUN260000 PN2240001 -
- 9870055500 CP4123 3R CHIP HAMMER Spare parts list: Handheld pneumatic pick hammers PUN000001 - PUN260000 PN2225467 - PN2232601 PN3210481 -
- 9870055400 CP4123 3H CHIP HAMMER Spare parts list: Handheld pneumatic pick hammers PUN000001 - PUN260000 PN2228257 - PN2240001 PN3210034 -
- 9870055300 CP4123 2R CHIP HAMMER Spare parts list: Handheld pneumatic pick hammers PUN000001 - PUN260000 PN2240001 -
- 9870075600 CP 4123 4R Spare parts list: Handheld pneumatic pick hammers PUN000001 - PUN260000 PN2240001 -
Match the model, product number and serial range.
Select Chuck Size:
You Selected.580″ Hex
Match the collar and actual retainer before ordering.Select Stroke:
| Select Your Hammer | |||
|---|---|---|---|
| Part Number | 8900000105 | 8900000107 | 8900000109 |
| Chuck / shank | .580 in Hex × Oval Collar | .580 in Hex × Oval Collar | .580 in Hex × Oval Collar |
| Cylinder stroke (in) | 2 | 3 | 4 |
| Weight (lb) | 13 | 15 | 16 |
| Length (in) | 12.875 | 14.875 | 15.5 |
| Impact rate (BPM) | 2400 | 1920 | 1500 |
| Air consumption (CFM; test pressure not listed) | 25 | 26 | 27 |
| Air inlet | 3/8 in | 3/8 in | 3/8 in |
| Trigger | Outside trigger | Outside trigger | Outside trigger |
| Retainer | Standard oval-collar retainer | Standard oval-collar retainer | Standard oval-collar retainer |
| Muffler included | No | No | No |
- Part Number
- 8900000107
- Chuck / shank
- .580 in Hex × Oval Collar
- Cylinder stroke (in)
- 3
- Weight (lb)
- 15
- Length (in)
- 14.875
- Impact rate (BPM)
- 1920
- Air consumption (CFM; test pressure not listed)
- 26
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
- Part Number
- 8900000109
- Chuck / shank
- .580 in Hex × Oval Collar
- Cylinder stroke (in)
- 4
- Weight (lb)
- 16
- Length (in)
- 15.5
- Impact rate (BPM)
- 1500
- Air consumption (CFM; test pressure not listed)
- 27
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
| Select Your Hammer | |||
|---|---|---|---|
| Part Number | 8900000104 | 8900000106 | 8900000108 |
| Chuck / shank | .680 in Round × Oval Collar | .680 in Round × Oval Collar | .680 in Round × Oval Collar |
| Cylinder stroke (in) | 2 | 3 | 4 |
| Weight (lb) | 13 | 15 | 16 |
| Length (in) | 12.875 | 14.875 | 15.5 |
| Impact rate (BPM) | 2400 | 1920 | 1500 |
| Air consumption (CFM; test pressure not listed) | 25 | 26 | 27 |
| Air inlet | 3/8 in | 3/8 in | 3/8 in |
| Trigger | Outside trigger | Outside trigger | Outside trigger |
| Retainer | Standard oval-collar retainer | Standard oval-collar retainer | Standard oval-collar retainer |
| Muffler included | No | No | No |
- Part Number
- 8900000104
- Chuck / shank
- .680 in Round × Oval Collar
- Cylinder stroke (in)
- 2
- Weight (lb)
- 13
- Length (in)
- 12.875
- Impact rate (BPM)
- 2400
- Air consumption (CFM; test pressure not listed)
- 25
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
- Part Number
- 8900000106
- Chuck / shank
- .680 in Round × Oval Collar
- Cylinder stroke (in)
- 3
- Weight (lb)
- 15
- Length (in)
- 14.875
- Impact rate (BPM)
- 1920
- Air consumption (CFM; test pressure not listed)
- 26
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
- Part Number
- 8900000108
- Chuck / shank
- .680 in Round × Oval Collar
- Cylinder stroke (in)
- 4
- Weight (lb)
- 16
- Length (in)
- 15.5
- Impact rate (BPM)
- 1500
- Air consumption (CFM; test pressure not listed)
- 27
- Air inlet
- 3/8 in
- Trigger
- Outside trigger
- Retainer
- Standard oval-collar retainer
- Muffler included
- No
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Select Points, Chisels, Etc

The following Points, Chisels, etc. are used with Standard Oval-Collar Retainers.
.580″ Hex × Oval Collar
These configurations use the manufacturer-listed standard oval-collar retainer. Match the shank and collar before ordering.

Moil Point
.580″ Hex × Oval Collar
Standard Lengths: 12″ / 18″ / 24″
Request Longer Lengths

Narrow Chisel
.580″ Hex × Oval Collar
Standard Lengths: 12″ / 18″ / 24″
Request Longer Lengths

2″ Wide Blade Chisel
.580″ Hex × Oval Collar
Standard Lengths: 12″ / 18″ / 24″
Request Longer Lengths

3″ Wide Blade Chisel
.580″ Hex × Oval Collar
Standard Lengths: 12″ / 18″ / 24″
Request Longer Lengths

4½″ Clay Spade
.580″ Hex × Oval Collar
Standard Lengths: 10″

All-Steel Bushing Tool
.580″ Hex × Oval Collar
Standard Lengths: 8″

Pin Driver
.580″ Hex × Oval Collar
Request the Size You Need.
Tell us your Pin Diameter, Length, and Chuck Configuration.










