Monarch TT-30 Self Priming Trash Pump & Repair Parts
Monarch Industries TT-30 Self Priming Trash Pump
The Monarch Industries TT-30 Self Priming Trash Pump is a workhorse in the commercial and industrial pumping sector. As a mid-sized entry in the renowned TT Series, this 3-inch frame-mount pump strikes the perfect balance between high-capacity flow and compact versatility.
Built from heavy-duty cast gray iron, the TT-30 is engineered to tackle liquids laden with solids, making it the preferred choice for construction dewatering, agricultural irrigation, and sewage transfer. Its robust design allows it to pass spherical solids up to 2 inches in diameter without clogging, ensuring continuous operation in the toughest environments.
Whether you are installing a new system or looking for Monarch TT-30 repair parts to extend the life of your existing unit, this page contains all the technical specifications and OEM components you need.
Key Features and Benefits
- Cast Iron Durability: The casing is constructed from cast gray iron with extra reinforcing ribs, providing superior strength and vibration resistance.
- Solids Handling: The enclosed, two-vane cast iron impeller is designed to handle spherical solids up to 2 inches, eliminating the need for wear plates and improving hydraulic efficiency.
- Fast Self-Priming: A large capacity casing coupled with a built-in suction check valve prevents syphoning and ensures rapid priming.
- Easy Maintenance: Features a clean-out cover secured by wing nuts. No wrenches are required to access the pump interior for inspection or debris removal.
- Industrial Shaft & Seal: Powered by a stainless steel shaft with a keyway and sealed by a high-grade mechanical seal (Viton, stainless steel, carbon-ceramic) for maximum longevity.
- Heavy-Duty Bearings: The shaft is supported by two heavy-duty sealed ball bearings designed to handle high radial and axial loads.
Common Applications
- Construction: Excavation dewatering and trash water removal.
- Agriculture: Liquid fertilizer transfer and high-volume irrigation.
- Municipal: Sewage lift stations and storm water management.
- Marine: Bilge pumping and wash-down systems.
Technical Specifications & Repair Parts
Below is the complete breakdown of repair parts specifically for the Monarch TT-30 (Type A). Please reference the exploded view diagram in the product images to identify the specific Ref. # required.
TT-30 Repair Parts List (Type/Tipo A)
| Ref. # | Code # | Qty. | Description |
|---|---|---|---|
| 1 | 416620 | 1 | Transmission Head |
| 2 | 436660 | 1 | Pump Casing |
| 3 | 416640 | 1 | Adapter Plate |
| 4 | 433990 | 1 | Impeller |
| 5 | 416660 | 1 | Intake Check Valve |
| 6 | 016670 | 1 | Weight |
| 7 | 013140 | 1 | Weight |
| 9 | 433900 | 1 | Clean-Out Cover |
| 10 | 426210 | 1 | Bearing Cover |
| 11 | 416700 | 1 | Seal Cover |
| 12 | 416711 | 1 | Shaft |
| 13 | 174450 | 1 | Washer |
| 14 | 433910 | 3 | Wing Nut |
| 17 | 433921 | 1 | Wear Ring |
| 23 | 191380 | 1 | Valve Rubber |
| 25 | 191390 | 1 | Gasket |
| 28 | 240359 | 1 | Seal, 1 1/2″ dia. |
| 29 | 226220 | 1 | Bolt, 3/8″ UNC x 1 1/4″ |
| 30 | 165251 | 6 | Stud, 1/2″ UNC x 2″ |
| 31 | 165320 | 4 | Stud, 1/2″ UNC x 3 1/2″ |
| 34 | 225760 | 1 | Bolt, 5/16″ UNC x 1 1/4″ |
| 35 | 147360 | 4 | Screw, 1/4″ UNC x 3/4″ |
| 36 | 148350 | 1 | Set Screw, 5/16″ UNC x 3/8″ |
| 37 | 110180 | 2 | Ball Bearing #6208-2RS |
| 38 | 110790 | 1 | Bearing Lock Nut #NO8 |
| 39 | 111190 | 1 | Bearing Lock Washer #WO8 |
| 40 | 227850 | 6 | Nut, 1/2″ UNC |
| 41 | 227850 | 4 | Nut, 1/2″ UNC |
| 42 | 227810 | 1 | Nut, 1/4″ UNC |
| 43 | 176520 | 4 | Spring Washer, 1/4″ |
| 45 | 185610 | 2 | Plug, 1/8″ NPT |
| 48 | 185650 | 1 | Plug, 3/4″ NPT |
| 50 | 185790 | 1 | Plug, 2″ NPT |
| 52 | 185620 | 1 | Plug, 1/4″ NPT |
| 53 | 432120 | 1 | Key |
| 60 | 165251 | 3 | Stud, 1/2″ UNC x 2″ |
| 61 | 198880 | 1 | “O” Ring #429 |
| N/S | 465100 | 1 | Strainer 3″ NPT |
TT-30 Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | TT-30 |
| Order No. | 608931 |
| Suction & Discharge | 3″ NPT |
| Solids Handling | 2″ |
| Shaft Diameter | 1 1/4″ |
| Shaft Length | 3 1/2″ |
| Key Size | 1/4″ |
| Shipping Weight | 190 lbs |
TT-30 Hydraulic Performance
| Pump RPM | Max. Req’d HP | Total Head in Feet (Including Friction Loss) | ||||||
|---|---|---|---|---|---|---|---|---|
| 20 | 40 | 60 | 80 | 100 | 120 | 140 | ||
| 1750 | 5 | 280 | 45 | – | – | – | – | – |
| 2700 | 20 | – | 330 | 250 | 55 | – | – | – |