What is the model number of my lawn mower?
For Craftsman model 143006714 (lawn and garden engine), the model number you need is printed on the equipment identification tag or engine shroud label; it is typically a short number string and may be separate from the mower deck model. If you are ordering engine parts, match the engine model exactly.
Where to look for the model number
Check these common locations on walk-behind mowers and small engines:
- On the engine blower housing (recoil starter cover area)
- Near the spark plug area on the engine shroud
- On the mower deck, usually near the rear wheel or under the seat (riding mowers)
- On the frame rail or under the hood (riding mowers)
- On a sticker or metal tag that also lists a serial number
What numbers matter for parts
Many mowers have more than one identifying number. Use this quick guide:
| What you’re fixing | Number to use | Why |
|---|---|---|
| Engine (carburetor, ignition, fuel system) | Engine model (example: 143006714) | Ensures correct engine-specific parts |
| Mower deck or chassis (wheels, belts, handles) | Mower/deck model | Matches the mower platform parts |
| Exact production run | Serial number | Helps confirm revisions and fit |
Tips to avoid ordering the wrong part
Use these checks before you buy:
- Copy the model number exactly as printed (including any dashes or extra digits)
- Clean the tag and take a clear photo for reference
- If the engine runs poorly, confirm fuel-system parts by engine model (not deck model)
- When replacing carburetor components, match the part ID to the engine model
If you’re troubleshooting fuel delivery or hard starting on this engine, common wear items include the Craftsman lawn & garden equipment engine fuel line 29774 and carburetor sealing parts.
Why it matters
Small-engine parts are highly model-specific. Using the correct model number (engine vs mower) prevents fit issues with carburetors, gaskets, fuel lines, and ignition components.
Last updated: January 2026
What brand engine does Craftsman use?
Craftsman equipment can use engines sourced from multiple manufacturers, so there is not one single “Craftsman engine brand” across all products. For Craftsman engine model 143006714, the most reliable way to identify the engine maker is by matching the engine’s model and spec information to the correct replacement parts, such as the carburetor 640350.
Common engine brands found on Craftsman outdoor power equipment
Depending on the mower, tiller, snowblower, or other unit, Craftsman-branded equipment commonly uses engines from:
- Briggs & Stratton
- Kohler
- Kawasaki
- Tecumseh (common on many older Craftsman engines)
- Other OEM suppliers depending on production year and product line
How to identify the engine brand on your specific unit
Use these checks to confirm what you have before ordering parts:
- Look for an engine ID tag or stamping on the blower housing, valve cover, or recoil starter housing
- Record the full engine model and any spec or type numbers (not just the mower model)
- Compare the carburetor style, primer setup, and linkage layout to the parts you see listed for model 143006714
- If you are troubleshooting fuel issues, confirm whether your engine uses a primer bulb and which style it takes
Parts that often “point” to the engine family
If you are trying to confirm the engine family by what you are replacing, these parts are commonly associated with specific carburetor and fuel system designs:
| System area | What you might replace | Example part for 143006714 |
|---|---|---|
| Fuel delivery | Fuel line | Part ID 29774 |
| Carburetor sealing | Carburetor gasket | Part ID 26756 |
| Carburetor assembly | Complete carburetor | Part ID 640350 |
| Priming | Primer bulb (red) | Part ID 640259 |
Why it matters
Engine brand and engine family determine the correct carburetor, ignition parts, and gaskets. Matching parts to the exact engine model prevents hard-starting, flooding, air leaks, and incorrect governor or choke operation.
Last updated: January 2026
Where is Craftsman's model number?
On the Craftsman engine model 143006714, the model number is typically stamped into the metal on the engine shroud or blower housing, often near the top of the cylinder area. Clean the surface and look for a stamped number (not a sticker) on either side of the engine.
Where to look on a Craftsman lawn and garden engine
Check these common locations first:
- Top area of the cylinder or cylinder head tin
- Blower housing (recoil starter housing area)
- Engine shroud near the spark plug side
- Side of the engine block near the muffler side
- Flat machined pad on the block (if present)
Quick steps to find it (fast and safe)
- Turn the engine off and let it cool completely.
- Brush off loose dirt and grass clippings.
- Wipe the area with a rag and a little degreaser.
- Use a flashlight at a low angle to make stamped numbers stand out.
- If rusted, lightly rub with a nylon brush (avoid sanding off the stamp).
Model number vs. part numbers (what you are seeing)
| What you find | What it’s used for | Example from this model page |
|---|---|---|
| Engine model number | Identifies the exact engine build for parts lookup | 143006714 |
| Part ID | Identifies a specific replacement part listing | 631021B |
| Part number | Manufacturer number for the part | 631021 |
Why it matters
The engine model number narrows down the correct carburetor, ignition, and fuel system parts. For example, once you confirm the model, you can match common tune-up and fuel parts like the Craftsman lawn & garden equipment engine fuel line 29774 without guessing.
Last updated: January 2026
Is it worth repairing a lawn mower engine?
Yes, repairing a Craftsman engine model 143006714 is worth it when the problem is a common fuel, air, or ignition issue and the fix stays low-cost; it is not worth it when the engine has low compression, internal damage, or needs major machine work.
Quick decision rule (repair vs. replace)
Use this rule of thumb before buying parts or paying labor:
- Repair when total cost is under 30% to 50% of the mower’s replacement cost
- Replace when the estimate is close to the cost of a new mower
- Repair when the mower deck, wheels, and controls are in good shape
Problems that are usually worth fixing
These are common, affordable repairs on small engines like model 143006714:
- Fuel delivery issues (stale fuel, clogged carburetor passages)
- Air leaks at the carburetor or intake gasket
- Cracked primer bulb or fuel line
- No-spark condition caused by a failed ignition coil
Parts that often keep the repair affordable
If symptoms point to fuel or carburetor issues, these model-matched parts are common fixes:
- Craftsman lawn & garden equipment engine fuel line 29774 for cracked or leaking fuel line problems
- Craftsman lawn & garden equipment engine carburetor primer bulb (red) 640259 when the bulb won’t pump or won’t rebound
- Needle seat 631021B to help stop flooding or fuel leaking into the carburetor
Repair vs. replace comparison
| What you’re seeing | Best direction | Why it matters |
|---|---|---|
| Starts but surges, stalls, or runs rough | Repair | Usually fuel delivery or air leak related |
| Won’t prime or primer stays collapsed | Repair | Primer bulb or fuel path issue |
| Pull cord is very easy and lacks “bounce” | Replace or rebuild | Low compression reduces power and starting |
Why it matters
A repair is a good value when it restores reliable starting and steady power. Fixing external fuel and carburetor problems typically costs far less than internal engine work and gets you back to mowing faster.
Last updated: January 2026
