Monarch TT-40 Self Priming Trash Pump & Repair Parts
Monarch Industries TT-40 Self-Priming Trash Pump
The Monarch 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 Monarch TT-40 offers exceptional durability and long-term performance under continuous heavy-duty use. Its ability to pass spherical solids up to 3 inches in diameter makes it the ideal solution for sewage lift stations, construction site dewatering, and industrial waste management.
Whether you are replacing an existing unit or sourcing genuine 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 | – |