Franklin Electric FTSP Self-Priming Pump, Gas & Diesel
The Franklin Electric FTSP Self-Priming Pump is an engine-driven centrifugal water pump for irrigation, construction dewatering, portable water transfer and similar jobs without convenient electrical power. Choose a 2-, 3- or 4-inch FTSP model powered by a Honda gasoline engine, a Briggs & Stratton Vanguard gasoline engine or, on the FTSP-3DRF-ES, a Kohler diesel engine. Ken’s Distributing Company helps buyers identify complete pumps, replacement pump ends and model-matched repair parts by manufacturer order number.
At a glance: Up to 615 GPM series capacity, up to 100 feet of head, horizontal installation, NPT pipe connections, and a self-priming design with a built-in check valve. A semi-open cast iron impeller and silicon carbide mechanical seal support applications involving appropriately sized entrained solids. Actual flow depends on the chosen model and operating head.
Franklin Electric FTSP Self-Priming Pump Specifications
| Specification | FTSP Series details |
|---|---|
| Pump configuration | Engine-driven, self-priming centrifugal pump; horizontal mounting |
| Models | FTSP-2HRF, FTSP-3HRF, FTSP-3DRF-ES and FTSP4-18V |
| Suction and discharge | 2 x 2, 3 x 3 or 4 x 4 in. NPT, by model |
| Fuel and engine options | Honda gasoline; Kohler diesel; Briggs & Stratton Vanguard gasoline |
| Series performance | Up to 615 GPM and up to 100 ft total head, at different operating points |
| Maximum working pressure | 150 PSI (component/system working-pressure limit, not delivered discharge pressure) |
| Maximum liquid temperature | 212°F (100°C), subject to installation and engine requirements |
| Maximum published suction lift | 25 ft under suitable conditions; flow decreases as lift and friction rise |
| Hydraulic construction | Ductile iron volute; semi-open, two-vane cast iron impeller |
| Mechanical seal | Silicon carbide/silicon carbide faces with Buna (nitrile) elastomers |
| Suction check valve | Built into removable front casing to support re-priming after initial fill |
| Starting options | Recoil on gasoline Honda versions; electric starting on listed diesel and Vanguard versions |
| Solids handling | Size-dependent: check model-specific rating; up to 2 in. in series brochure |
| Engine rotation | Clockwise when viewed from the engine side |
FTSP Complete Pump Models, Engine Types and Order Numbers
Match the engine, fuel, starting method and job-site flow requirement before requesting a quote. Each order number identifies a specific factory configuration. Include it when requesting pricing or replacing an existing unit.
| Order number | Pump model | Ports | Engine / fuel | Displacement | Start | Rated spherical-solids passage | Weight | Low-oil shutoff |
|---|---|---|---|---|---|---|---|---|
| 90281005 | FTSP-2HRF | 2 x 2 in. | Honda gasoline | 160 cc | Recoil | 1⅛ in. | 107 lb | Yes |
| 90281009 | FTSP-3HRF | 3 x 3 in. | Honda gasoline | 270 cc | Recoil | 1½ in. | 151 lb | Yes |
| 90282009 | FTSP-3DRF-ES | 3 x 3 in. | Kohler diesel | 442 cc | Electric | 1½ in. | 217 lb | Yes |
| 90281018 | FTSP4-18V | 4 x 4 in. | Briggs & Stratton Vanguard gasoline | 570 cc | Electric | 2 in. | 355 lb | No |
Roll frames are listed for FTSP-2HRF, FTSP-3HRF and FTSP-3DRF-ES; do not assume they include wheels. On the electric-start models, the published listing specifies that the battery and cables are not included. Confirm current configuration and availability when ordering.
Need a complete pump quote? Send the FTSP model or order number, required GPM, total head, pumping water level, solids size, site location and preferred engine. Request FTSP pump pricing and availability from Ken’s Distributing Company.
Order FTSP Replacement Pump Ends and Engines
If an existing FTSP engine is serviceable but the hydraulic end needs replacement, the appropriate pump-end assembly may be a better option than replacing the entire engine-driven unit. Engine replacement is another option when the pump hydraulics remain usable. Order by exact model and serial details, and verify the mounting/drive match.
| Pump-end order number | Model | Ports | Listed weight |
|---|---|---|---|
| 90280005 | FTSP2-K | 2 x 2 in. | 74 lb |
| 90280009 | FTSP3-K | 3 x 3 in. | 90 lb |
| 90289009 | FTSP-3D-K | 3 x 3 in. | 118 lb |
| 90280018 | FTSP4-K18V | 4 x 4 in. | 230 lb |
| Engine order number | FTSP model | Engine identification |
|---|---|---|
| 202001 | FTSP-2 | Honda GX160UT1TX2, 160 cc |
| 202002 | FTSP-3 | Honda GX270UTPA2, 270 cc |
| 202065 | FTSP-3D | Kohler KD420-4001 diesel, 442 cc |
| 201941 | FTSP-4 | Briggs & Stratton 356447-0191-B1, 570 cc |
FTSP Replacement Parts: Impellers, Seals, Check Valves and Gaskets
FTSP repairs often involve the impeller, mechanical shaft seal, casing O-ring, flapper valve, check-valve weights or shaft sleeve. Unlike a generic water-pump parts list, FTSP component numbers vary with the 2-, 3-/3D- and 4-inch hydraulic groups. Use these numbers to identify the required component before requesting pricing.
| Replacement component | FTSP-2 | FTSP-3 / FTSP-3D | FTSP-4 |
|---|---|---|---|
| Semi-open cast iron impeller | 305458004 | 305458005 | 305458006 |
| Mechanical shaft seal, SiC/SiC | 305463094 | 305463095 | 305463096 |
| Front casing | 305458001 | 305458002 | 305458003 |
| Rear casing | 305458007 | 305458008 | 305458009 |
| Mechanical-seal shaft sleeve | 305458010 | 305458011 | 305458012 |
| Case O-ring | 305463097 | 305463098 | 305463099 |
| Flapper valve | 305454043 | 305458021 | 305454045 |
| Volute | 305458017 | 305458018 | 305458019 |
| Square-ring, volute | 305463100 | 305463101 | 305463102 |
Need a repair-parts quote? Include the part number, the FTSP model, the engine model and, when available, a photo of the pump nameplate. Ken’s Distributing Company can review the requested component and confirm current price, fit and availability before an order is placed. For other Franklin pump families, see the Franklin Electric replacement parts overview.
FTSP Exploded-Parts Diagram
Complete FTSP Materials and Repair-Part Numbers
Use the figure number with the table below to identify the component. A blank or N/A entry does not establish interchangeability with another model. Give the pump model and part figure number when requesting service components.
| Fig. No. | Part Description | Repair No. | Materials of Construction | |||
|---|---|---|---|---|---|---|
| FTSP-2 | FTSP-3 | FTSP-3D | FTSP-4 | |||
| 1 | FTSP Front Casing | 305458001 | 305458002 | 305458003 | Cast Iron, ASTM-A48 CL30 | |
| 2 | FTSP Impeller | 305458004 | 305458005 | 305458006 | Cast Iron, ASTM-A48 CL30 | |
| Not Shown | FTSP Shims | N/A | 305458028 | |||
| 3 | FTSP Rear Casing | 305458007 | 305458008 | 305458009 | Cast Iron, ASTM-A48 CL30 | |
| Not Shown | FTSP Engine Adapter | N/A | 305458024 | Ductile Iron, ASTM-A536 65-45-12 | ||
| 12 | FTSP Mech. Seal Shaft Sleeve | 305458010 | 305458011 | 305458012 | 416 Stainless Steel | |
| 70 | FTSP Roll Frame | 305458013 | 305458026 | N/A | CRS | |
| 72 | FTSP Check Valve | 305455010 | 305458015 | 305454020 | Cast Iron, ASTM-A48 CL30 | |
| 73A | FTSP Top Weight- Check Valve | 305455011 | 305458016 | 305454023 | Cast Iron, ASTM-A48 CL30 | |
| 73B | FTSP Bottom Weight – Check Valve | 305455012 | 305463108 | 305454025 | Cast Iron, ASTM-A48 CL30 | |
| 74 | FTSP Volute | 305458017 | 305458018 | 305458019 | Cast Iron, ASTM-A48 CL30 | |
| 75 | FTSP T-Handle Fasteners | 305458020 | Cast Iron, ASTM-A48 CL30 | |||
| 76 | FTSP Battery Holder Assembly | N/A | 305457008 | CRS | ||
| 77 | FTSP Pump Frame Assembly | N/A | 305458014 | CRS | ||
| 90 | FTSP Mechanical Shaft Seal | 305463094 | 305463095 | 305463096 | SiC/SiCxBUNA-SS | |
| 100A | FTSP Case O-ring | 305463097 | 305463098 | 305463099 | Nitrile | |
| 100B | FTSP Flapper Valve | 305454043 | 305458021 | 305454045 | Neoprene | |
| 100C | FTSP Square-Ring – Volute | 305463100 | 305463101 | 305463102 | Nitrile | |
| 100D | FTSP Motor Flange Gasket | N/A | 305463103 | NA60 | ||
| 200 | FTSP Engine | See Engines Below | Misc. | |||
| 500 | FTSP Pipe Plug 3/4″ (2 Req.) | 305463050 | Cad-Plated Steel | |||
| 503 | FTSP Water Slinger | 305458022 | 305456009 | 305457010 | Neoprene | |
| 530A | FTSP Lockwasher – T-handle (4 Req.) | 305463104 | Zinc-Plated Steel | |||
| 530B | FTSP Flapper Bolt | 305463056 | 305463105 | 305463058 | Zinc-Plated Steel | |
| 530C | FTSP Hex Bolt – Motor Adapter (4 Req.) | 305463106 | N/A | 305463110 | Zinc-Plated Steel | |
| Not Shown | FTSP Stud – Engine | N/A | 305463093 | Zinc-Plated Steel | ||
| Not Shown | FTSP Washer – Engine | N/A | 305463235 | 305463164 | Zinc-Plated Steel | |
| Not Shown | FTSP Nut – Engine | N/A | 305463236 | 305463264 | Zinc-Plated Steel | |
| Not Shown | FTSP Stud, Rear Case | N/A | 305463089 | Zinc-Plated Steel | ||
| Not Shown | FTSP Lock Washer, Rear Case | N/A | 305463060 | Zinc-Plated Steel | ||
| Not Shown | FTSP Nut, Rear Case | N/A | 305463059 | Zinc-Plated Steel | ||
| 530D | FTSP Collar Seal – Motor Adapter (4 Req.) | 305463107 | N/A | Nylon | ||
| 530E | FTSP Nut, Flapper | 305463061 | N/A | Zinc-Plated Steel | ||
| 530F | FTSP Washer, Flapper | 305463063 | N/A | Zinc-Plated Steel | ||
| 530G | FTSP Valve Hex Cap Screw (4 Req.) | 305463010 | 305463064 | 305463065 | Zinc-Plated Steel | |
| 530H | FTSP Washer – base (4 Req.) | 305463108 | 305463109 | Zinc-Plated Steel | ||
| Not Shown | FTSP Lockwasher, Base | 35463092 | 305463092 | Zinc-Plated Steel | ||
| 530J | FTSP Hex Nut – base (4 Req.) | 305463062 | Zinc-Plated Steel | |||
| 530K | FTSP Hex Bolt – base (4 Req.) | 305463090 | 305463111 | 305463237 | 305463090 | Zinc-Plated Steel |
| 530L | FTSP Isolator Washer – base (4 Req.) | 305463112 | N/A | Rubber | ||
| Not Shown | FTSP Volute Roll Pin | 305463113 | N/A | 303 Stainless Steel | ||
| Not Shown | FTSP Stud – Volute | N/A | 305463114 | 305463115 | 18-8 Stainless Steel | |
| Not Shown | FTSP Lockwasher – Volute | N/A | 305463238 | 300 Stainless Steel | ||
| Not Shown | FTSP Nut – Volute | N/A | 305463239 | 300 Stainless Steel | ||
| 531 | FTSP Stud – Front Casing | 305463089 | Zinc-Plated Steel | |||
For check-valve weights and small hardware, verify the specific part number against the pump data plate because published parts lists may vary by revision.
FTSP Dimensions and Fit for Replacement Installations
The following dimensions are in inches and are useful when checking mounting space, hose routing and equipment clearance. A dash indicates that the source dimensions table does not publish the corresponding measurement.
| Model | HA | HB | HC | HJ | HM | ZY | Y | A | C | E | F |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FTSP-2HRF | – | – | – | – | – | – | 6.72 | 20.30 | 25.00 | 21.50 | 9.71 |
| FTSP-3HRF | – | – | – | – | – | – | 6.93 | 20.30 | 25.00 | 21.50 | 11.22 |
| FTSP4-18V | 16.24 | 25.00 | 27.48 | 17.00 | 27.62 | 25.66 | 11.49 | – | – | – | – |
| FTSP-3DRF-ES | – | – | – | – | – | – | 6.49 | 23.94 | 25.00 | 23.50 | 12.21 |
FTSP 2-Inch and 3-Inch Dimensional Drawing
FTSP4-18V Dimensional Drawing
FTSP Pump Performance Curve: Flow and Head
Use the FTSP performance curve to check delivered GPM at the operating head rather than choosing solely by port size. The published maximum flow and maximum head represent different points on the pump curves; performance also changes with suction conditions, installation losses and engine operation.
Why Choose a Franklin Electric FTSP Self-Priming Pump?
- Field-ready engine drive: Pump water where line power is unavailable, with a choice of gasoline or diesel models.
- Self-priming pump end: The built-in check valve helps retain the liquid needed for re-priming after the casing has been filled.
- Two-vane cast iron impeller: Designed to pass spherical solids within the specified size for the chosen model.
- Serviceable front cover: Provides access to the check-valve area and pump components during maintenance.
- Engine-specific starting: Recoil start for the listed Honda units and electric start for the listed Kohler diesel and Briggs Vanguard configurations.
- Distinct replacement options: Identify a complete pump, hydraulic pump end, engine or individual repair component by order number.
FTSP Applications and Selecting the Right Pump
FTSP pumps serve irrigation water transfer, construction site dewatering, municipal bypass and emergency water handling, commercial and agricultural water movement, and other jobs where a portable engine-driven self-priming pump suits the duty. For water containing debris or sediment, review the manufacturer solids-passage rating and duty limits for the particular unit.
Before requesting a quote, establish the actual flow needed at the total dynamic head, suction lift, maximum expected solids size, hose connection diameter, fuel preference and access for operation. The FTSP-3DRF-ES is the diesel option; the remaining listed variants use gasoline engines. Do not substitute a gasoline engine number for a diesel configuration.
FTSP vs. FACGF Gas Engine Centrifugal Pumps
| Selection factor | FTSP | FACGF |
|---|---|---|
| Priming arrangement | Self-priming with built-in suction check valve | Conventional engine-driven centrifugal design; confirm priming requirements |
| Impeller design | Semi-open two-vane cast iron | Enclosed cast iron |
| Pump openings | 2, 3 and 4 in. NPT depending on model | Different model-specific port sizes; check chosen unit |
| Drive | Honda gasoline, Kohler diesel or Briggs Vanguard gasoline depending on model | Engine choice depends on specific FACGF model |
| Buyer priority | Self-priming and model-rated solids handling | Engine-driven centrifugal water transfer with appropriate inlet conditions |
For a different engine-driven centrifugal design, compare the Franklin Electric FACGF pump series.
FTSP Maintenance, Priming and Repair-versus-Replacement
Fill the FTSP casing before initial startup and follow the engine and pump instructions for priming, suction-piping integrity and safe operating speed. Check the front-cover valve, flapper, casing O-ring and mechanical seal when priming performance deteriorates. Do not run the hydraulic end dry, and fully drain the water end when storing in freezing conditions.
If the engine runs correctly but the hydraulic components are damaged, compare the cost and lead time of impeller and seal repairs against a complete pump-end replacement. If the engine has failed but the hydraulic components remain serviceable, provide the exact engine identification when requesting an engine-only quote. Parts availability and any superseded numbers should be verified for the actual model.
FTSP Frequently Asked Questions
Is the FTSP a gas pump or a diesel pump?
The family includes gasoline-powered Honda and Briggs & Stratton models plus the FTSP-3DRF-ES with a Kohler diesel engine. Check the specific order number before purchasing a replacement unit or engine.
Is the FTSP pump self-priming?
Yes. After the casing has been filled, its integrated check valve supports re-priming. Airtight suction plumbing, correct liquid level and the installation instructions still matter.
What is the FTSP Series maximum flow?
Franklin Electric specifies up to 615 GPM for the FTSP range. Delivered flow depends on head, suction conditions and the selected engine-driven model.
What size debris can FTSP pumps handle?
The published engine-driven brochure lists rated spherical-solids passage of 1⅛ in. for FTSP-2HRF, 1½ in. for the 3-inch models and 2 in. for FTSP4-18V. These are model-specific ratings.
What are the FTSP mechanical-seal part numbers?
The supplied replacement catalog lists 305463094 for FTSP-2, 305463095 for the 3-inch and 3D variants, and 305463096 for FTSP-4. Verify the original model and any part revision before ordering.
Can I replace only the FTSP pump end?
The supplied order list includes FTSP2-K (90280005), FTSP3-K (90280009), FTSP-3D-K (90289009) and FTSP4-K18V (90280018). Confirm the engine interface and current parts listing.
Does the FTSP4-18V come with a battery?
The supplied ordering information marks FTSP4-18V as electric start and states that batteries and cables are not included.
How can I request FTSP pump or repair-part pricing?
Provide Ken’s Distributing Company with the complete pump model, manufacturer item or part number, engine model, application and delivery location. The team can confirm the appropriate item and current quote.
Related Franklin Electric Water Pumps
- FBSGF gas engine self-priming pumps for other portable pumping duties.
- FNSGF gas engine self-priming pumps for additional pump and engine configurations.
Request a pump or parts quote: Tell Ken’s Distributing Company whether you need a complete FTSP unit, pump end, replacement engine or specific repair part, and include the manufacturer item number so the correct configuration can be checked.
Send us your model number and we will confirm fit, price, and availability.