7.5 - 10 HP 2 Stage 4-Cylinder 36 CFM @ 100 PSI 730-900 RPM Air Compressor Pump CS2105T
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The CI-10 is a nearly identical two-stage pump from a different manufacturer — the same performance class and fitment.
7.5 - 10 HP 2 Stage 4-Cylinder 35 CFM @ 100 PSI 700-805 RPM Air Compressor Pump CI-10
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Brand-new Compressor Source CS2105T four-cylinder cast-iron two-stage replacement air compressor pump. This 10-horsepower pump delivers 35.3 CFM at 860 RPM, with a maximum RPM of 900. This pump is most commonly used on 80 and 120-gallon tank air compressors and can be used with 220-volt 7.5-horsepower electric motors or larger. To verify your motor is large enough, it should be 32 amps or higher at 220 volts and at least 7.5 HP (Note: When running with a 7.5 HP motor, you will have to spin the pump slower for the motor to work properly. If wanting higher CFM and spinning at over 800 RPM, a 10 HP motor is needed). This pump has a minimum RPM of 730. This pump comes complete as shown, including intake filters and flywheel.
The Compressor Source CS2105T 10 HP two-stage compressor pump is often used as a replacement for CI-10, Saylor-Beall Model 707, Industrial Gold, and Chicago Pneumatic CA2/CA2U, Ingersoll Rand 2545/2545V, and Campbell Hausfeld TX2101 compressor pumps. Popular as a Saylor-Beall style replacement compressor pump head for rebuilding workshop compressors, compatible with both gas and electric-powered air compressors.
Features:
• Cast iron cylinder and crankcase
• Equipped with a sight glass for easy viewing of the oil level
• Comes with two intake filters
Specifications:
• Cylinders: Four
• Stages: Two
• Horsepower: For use with 7.5 - 10 HP motors
• Max Recommended Working Pressure: 175 PSI
• Recommended Working Pressure: ~100 PSI
• Recommended RPM Range: 730-900 RPMs
• Max CFM: 36 CFM @ 900 RPM / 35.2 CFM @ 860 RPM (36 CFM @ 100 PSI)
• Minimum CFM: 28 CFM @ 730 RPM
• Bolt Pattern: 9-1/4" (Front to Back) x 9-5/8" (Side to Side) (Bolt pattern modification required for some replacement applications)
Because of this item's weight, it has to be shipped by freight. When ordering, please specify if it is shipping to a commercial address; otherwise, it will ship to your nearest trucking terminal for pickup. If you have questions about freight shipping and receiving, contact Compressor Source Support.
Performance
| Horsepower | 7.5 – 15 HP |
|---|---|
| Stages | Two Stage |
| Cylinders | 4 |
| Bore × stroke Cylinder bore diameter × piston stroke length. Two-stage pumps list the low- and high-pressure bores. | 4.13" (LP) & 2.165" (HP) x 3.504" |
| Air delivery Air delivered at the stated discharge pressure. | 35.0 CFM @ 10 HP (28 ACFM on 7.5 HP, 48 ACFM on 15 HP) |
| Max pressure | 175 PSI |
| Pump speed Recommended operating speed range of the pump. | 730 RPM |
| Duty cycle Share of each run cycle the pump can run before it needs to rest and cool. | 70% (max 45 min run, then 20 min off) |
Drive & Belt
| Flywheel O.D. Outside diameter of the pump flywheel. Paired with the motor pulley O.D. to set pump speed. | 18.98″ |
|---|---|
| Flywheel rotation Direction the flywheel must turn, viewed facing the flywheel. Wire the motor to match. | Counterclockwise |
| Belt section | B-Section |
| Grooves | 2 |
Mounting & Dimensions
| Overall dimensions (L × W × H) | 21.06″ × 28.74″ × 22.44″ |
|---|---|
| Weight | 250.4 lb |
| Mounting bolt pattern Center-to-center spacing of the mounting-foot bolt holes. | 9.13" x 9.63" |
Connections
| Air outlet | 3/4" NPT↳ Compatible hose: 3/4" x 24" Stainless Steel Compressed Air Line Metal Flex Hose Compressor Tube — $64.95 |
|---|---|
| Intake thread | 1" NPT |
Included & Maintenance
| Head unloaders | No |
|---|---|
| Flywheel included | Yes |
| Air filters included | Two↳ Replacement element: A424 Air Compressor Intake Filter Paper Element — $4.95 |
| Sight glass | Yes |
| Lubrication | Splash |
| Oil included | No |
| Recommended oil | 30W Non-Detergent Compressor Oil↳ We stock: MAG1 Air Compressor Oil ISO-100 SAE-30W Non-Detergent 1 Gallon Jug — $24.95 |
| Oil fill level | 3.5 qt (fill to ½ on the sight glass) |
Sizing Guidance
| Recommended tank size | 80 – 120 Gallons |
|---|---|
| Recommended motor | 7.5 – 15 HP |
Identification
| Material | Cast Iron |
|---|---|
| Country of origin | China |
| Model / part number | CS2105T |
| Warranty | 1-Year |
Commonly Replaces / Fits
| Industrial Gold CA2 / CA2U / CI1023E120V |
| Saylor-Beall 707 |
| CI-10 |
| Campbell Hausfeld TX2101 / CI100000PD / CI15K000PC |
| TX2118 / TX2001 |
| 5Z405 / 5Z405B |
| Surplus Center 400101 |

