Is it worth replacing a lawn mower engine?
Yes, it can be worth replacing the engine on your Craftsman lawn tractor model 917276884 when the tractor is otherwise in good shape and you are fixing a clear engine-only failure. If the repair total is more than about half the cost of a comparable replacement tractor, replacement usually makes more sense.
We recommend pricing the engine job (parts, labor, and any “while you’re in there” items) and then checking these points:
- The transmission drives normally (no slipping, no loss of motion)
- The mower deck and frame are solid (no major rust-through or cracks)
- Steering and brakes feel safe and controllable
- You can still get common wear parts (belts, blades, switches)
- The tractor’s hours and overall condition justify the investment
For model-specific maintenance intervals and operating specs that affect engine life, use the 917276884 owner’s manual.
Engine replacement is rarely “engine only.” Plan for related items that often add cost:
- New oil, filter (if equipped), and fresh fuel
- Battery service or replacement if cranking has been weak
- Deck and ground drive belt inspection (replace if glazed, cracked, or stretched)
- Blade and spindle checks if vibration or poor cut quality is also present
If belt wear is part of the problem (slipping, burning smell, loss of drive), pricing a belt repair first can be a smarter step than an engine swap. A common wear item for this model is the lawn tractor ground drive or blade drive belt, 1/2 x 92-2/5-in 592855201.
| Situation on Craftsman 917276884 | Usually best choice |
|---|---|
| Strong drive, solid deck, engine has low compression or catastrophic failure | Replace engine |
| Engine is tired and transmission also struggles or leaks badly | Replace tractor |
| Starts and runs but bogs when mowing (possible belt, blade, deck load issue) | Diagnose and repair first |
| Multiple safety or control issues (brakes, steering, interlocks) | Replace tractor or do full overhaul |
An engine swap can restore years of service, but only if the rest of the tractor (transmission, deck, steering, and safety systems) is worth keeping. Making the decision with a full repair estimate helps you avoid sinking money into a tractor with multiple end-of-life systems.
Last updated: January 2026
What kind of engine does a Craftsman riding lawn mower have?
For Craftsman lawn tractor model 917276884, our operator’s manual identifies it as a 26.0 HP gasoline, low-emission engine with electric start. The manual text we have does not name the engine manufacturer (such as Briggs & Stratton or Kohler), so the sure way to identify it is by the engine’s own ID tag.
These details are stated in the model-specific documentation for this tractor; see the 917276884 operator's manual.
- Engine rating: 26.0 HP
- Starting system: Electric start
- Fuel: Unleaded regular gasoline, 4-gallon capacity
- Engine design note: Low-emission engine (operates differently than some earlier designs)
Use the engine identification label, not the tractor model number.
- Park on a level surface, set the parking brake, remove the key, and let the engine cool.
- Lift the hood and look for an engine ID label on the blower housing, valve cover, or near the starter.
- Write down the engine model, type/spec, and code numbers.
- Use those numbers when choosing engine maintenance parts (spark plug, air filter, fuel filter).
- If the label is missing, look for a stamped number on the shroud or a decal on the engine itself.
| Item | 917276884 (from manual) |
|---|---|
| Horsepower rating | 26.0 HP |
| Start type | Electric |
| Fuel capacity | 4 gallons |
| Fuel type | Unleaded regular |
Craftsman tractor model numbers identify the tractor configuration, but engine tune-up parts and settings depend on the engine’s model/type code. Matching the engine ID helps prevent ordering the wrong spark plug or filter.
Last updated: January 2026
How much does it cost to replace a riding mower engine?
For a Craftsman lawn tractor model 917276884, the operator’s manual does not list engine replacement pricing, so we can’t give a model-specific cost. In general, replacing a riding mower engine often totals $1,000 to $3,000+ for the engine plus labor and setup.
Actual totals vary by engine brand, crankshaft specs, and labor rates. Here’s a realistic estimate range many owners see:
| Cost item | Typical range | What it covers |
|---|---|---|
| Replacement engine | $600 to $2,000+ | Engine assembly matched to crankshaft and mounting |
| Labor | $300 to $1,200 | Removal, install, wiring, fuel hookup, test run |
| Fluids and small parts | $25 to $150 | Oil, filter, clamps, hardware |
| Optional related repairs | $0 to $300+ | Belts, pulleys, electrical items found worn |
For model-specific specs that affect engine matching (such as horsepower and maintenance requirements), use the 917276884 operator's manual.
These factors usually move the estimate up or down:
- Correct engine match (crankshaft diameter/length, PTO end, mounting pattern)
- Condition of wiring and fuel lines (brittle connectors, leaking lines)
- Rust and seized fasteners (adds labor time)
- Shop rate and minimum labor charges (in-shop vs. mobile service)
- Extra “while you’re in there” parts (belts, idlers, clutch components)
We recommend confirming the problem is truly internal engine failure, not a drive or deck issue:
- Check for fresh fuel and correct oil level
- Verify spark and air filter condition
- If the tractor “runs but won’t move,” inspect the ground drive system
- If power drops mainly when mowing, check deck drag and belt condition
A worn drive belt can mimic engine weakness. One common wear item for this model is the lawn tractor ground drive or blade drive belt, 1/2 x 92-2/5-in 592855201 (belt used in the tractor’s drive system; confirm routing and application by diagram for your exact setup).
Engine replacement is one of the highest-cost repairs on a riding mower. Verifying whether the issue is fuel, ignition, belt slip, or safety interlock related can prevent spending thousands when a smaller repair would restore performance.
Last updated: January 2026





