Monarch TT-40 Self Priming Trash Pump & Repair Parts
Monarch Industries TT-40 Self Priming Trash Pump
The Monarch Industries TT-40 Self Priming Trash Pump is the heavy-hitter of the TT Series, engineered for high-volume liquid transfer and aggressive solids handling. Designed with a massive 4-inch NPT suction and discharge, this frame-mount centrifugal pump is built to withstand the most demanding industrial, municipal, and agricultural environments.
Constructed from rugged cast gray iron, the TT-40 offers exceptional durability. Its ability to pass spherical solids up to 3 inches makes it the ideal solution for sewage lift stations, construction site dewatering, and industrial waste management. Whether you are replacing an existing unit or stocking up on Monarch TT-40 repair parts, this page provides the technical data and components necessary to keep your system running efficiently.
Key Features and Engineering
The TT-40 is designed to minimize downtime and maximize flow efficiency:
- Large Solids Handling: The enclosed, two-vane cast gray iron impeller is engineered to handle spherical solids up to 3 inches in diameter, preventing clogs in harsh applications.
- Rapid Self-Priming: Features a large capacity casing with a built-in check valve on the suction inlet. This design prevents syphoning and facilitates faster re-priming without the need for a foot valve.
- Easy Maintenance Access: The clean-out cover is secured with wing nuts, allowing for tool-free removal. This provides immediate access to the pump interior for inspection or clearing debris.
- Heavy-Duty Construction: The casing includes extra reinforcing ribs for added strength. The shaft is machined from stainless steel and supported by two heavy-duty sealed ball bearings.
- Long-Lasting Seals: Equipped with a mechanical seal made of Viton, stainless steel, and carbon-ceramic faces to withstand heat and abrasive fluids.
- Replaceable Wear Components: Includes a replaceable wear ring and a unique impeller design that eliminates the need for a separate wear plate, reducing long-term maintenance costs.
Common Applications
- Municipal: Sewage pumping and waste water treatment.
- Construction: High-volume dewatering and trash handling.
- Industrial: Fluid transfer containing solids and effluent management.
- Marine: Large-scale bilge pumping.
- Agriculture: Manure slurry transfer and irrigation.
Technical Specifications & Repair Parts
Below is the complete breakdown of repair parts specifically for the Monarch TT-40 (Type A). Please reference the exploded view diagram in the product images to identify the specific Ref. # required.
TT-40 Repair Parts List
| Ref. # | Code # | Qty. | Description |
|---|---|---|---|
| 1 | 419540 | 1 | Transmission Head |
| 2 | 436810 | 1 | Pump Casing |
| 3 | 419570 | 1 | Adapter Plate |
| 4 | 432920 | 1 | Impeller |
| 5 | 419600 | 1 | Intake Check Valve |
| 6 | 019610 | 1 | Weight |
| 7 | 016670 | 1 | Weight |
| 9 | 436820 | 1 | Clean-Out Cover |
| 10 | 110800 | 1 | Bearing Lock Nut #NO9 |
| 11 | 419670 | 1 | Seal Cover |
| 12 | 419681 | 1 | Shaft |
| 13 | 459990 | 1 | Washer |
| 14 | 432940 | 3 | Wing Nut |
| 17 | 432951 | 1 | Wear Ring |
| 23 | 191460 | 1 | Valve Rubber |
| 25 | 191480 | 1 | Gasket |
| 28 | 240362 | 1 | Seal, 1 1/2″ dia. |
| 29 | 140999 | 1 | Capscrew, 1/2″ UNC x 1 1/4″ |
| 30 | 165251 | 6 | Stud, 1/2″ UNC x 2″ |
| 34 | 225980 | 1 | Bolt, 5/16″ UNC x 1″ |
| 35 | 119770 | 3 | Bolt, 5/16″ UNC x 7/8″ |
| 36 | 148300 | 1 | Set Screw, 5/16″ UNC x 3/8″ |
| 37 | 110060 | 2 | Ball Bearing #3209 |
| 38 | 426740 | 1 | Bearing Cover |
| 39 | 111200 | 1 | Bearing Lock Washer #WO9 |
| 40 | 227850 | 6 | Nut, 1/2″ UNC |
| 41 | 120890 | 4 | Bolt, 5/8″ UNC x 3 |
| 42 | 227820 | 1 | Nut, 5/16″ UNC |
| 43 | 176530 | 3 | Spring Washer, 5/16″ |
| 45 | 110680 | 2 | Grease Fitting, 1/8″ NPT |
| 48 | 185650 | 1 | Plug, 3/4″ NPT |
| 50 | 185790 | 1 | Plug, 2″ NPT |
| 52 | 185620 | 1 | Plug, 1/4″ NPT |
| 53 | 432160 | 1 | Key |
| 60 | 165870 | 3 | Stud, 5/8″ UNC x 2 1/2″ |
| 61 | 198810 | 1 | “O” Ring #450 |
| N/S | 465280 | 1 | Strainer 4″ NPT |
TT-40 Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | TT-40 |
| Order No. | 608911 |
| Suction & Discharge | 4″ NPT |
| Solids Handling | 3″ |
| Shaft Diameter | 1 5/8″ |
| Shaft Length | 3 1/2″ |
| Key Size | 3/8″ |
| Shipping Weight | 420 lbs |
TT-40 Hydraulic Performance
| Pump RPM | Max. Req’d HP | Total Head in Feet (Including Friction Loss) | ||||||
|---|---|---|---|---|---|---|---|---|
| 20 | 40 | 60 | 80 | 100 | 120 | 140 | ||
| 1750 | 15 | 680 | 400 | 10 | – | – | – | – |
| 2400 | 40 | – | – | 740 | 695 | 455 | 95 | – |