Owner’s manual
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How much does a 42 riding mower weigh?
A 42-inch riding mower typically weighs about 400 to 600 lb, depending on the brand, engine, transmission, and whether it has a bagger or other attachments. Your Craftsman 917387070 is a walk-behind rotary lawn mower, so its manual focuses on engine and blade specs rather than riding-mower weight; check the 917387070 owner's manual for the specifications that apply to your mower.
Typical weight ranges for 42-inch riding mowers
Most 42-inch riding mowers fall into these common ranges:
- Entry-level lawn tractors: ~400 to 500 lb
- Heavier lawn tractors (stronger frames, larger engines): ~500 to 600 lb
- With attachments (bagger, weights, etc.): add ~20 to 100+ lb
Quick comparison: riding mower vs. your model
| Item | What it is | Typical weight | Notes |
|---|---|---|---|
| 42-inch riding mower | Sit-on mower with 42-in deck | 400 to 600 lb | Varies widely by build and options |
| Craftsman 917387070 | Walk-behind rotary mower | Much lighter than a rider | Manual lists engine displacement, oil capacity, blade torque, etc. |
Why weight varies so much on 42-inch riders
Weight is driven by a few big factors:
- Transmission type (hydrostatic units often weigh more)
- Frame and axle design (heavier-duty steel adds weight)
- Engine size and starter system
- Deck construction (thicker steel, reinforcements)
- Attachments and accessories (bagger, mulch kit, tire chains, wheel weights)
Why it matters
Knowing the weight helps you choose the right trailer ramps, tie-downs, and storage flooring, and it also affects traction and hillside stability. For your Craftsman 917387070 walk-behind mower, the more useful specs are things like blade bolt torque and engine oil capacity, which are listed in the manual.
Last updated: January 2026
What kind of oil do I put in my Craftsman lawn mower?
For your Craftsman rotary lawn mower model 917387070, use high-quality detergent engine oil with API service classification SF, SG, or SH, and choose the SAE viscosity based on your outdoor temperature. The engine takes about 20 oz; fill only to the FULL line on the dipstick (do not overfill). See the 917387070 owner's manual for the temperature-to-viscosity chart.
Recommended oil type and viscosity
Use the viscosity that matches your mowing conditions:
- SAE 30: best for warmer weather (common choice for summer mowing)
- 10W-30: improves starting in cooler weather; check oil level more often because it can use more oil in warmer temps
- 5W-30: for colder conditions where easier starting is needed
| What you’re doing | What to use | What to watch for |
|---|---|---|
| Regular warm-weather mowing | SAE 30 detergent oil (API SF/SG/SH) | Stable oil consumption |
| Early spring or cooler mornings | 10W-30 detergent oil (API SF/SG/SH) | Check level more often above 32°F |
| Cold-weather starting | 5W-30 detergent oil (API SF/SG/SH) | Monitor level and top off as needed |
How to fill and maintain oil level
We recommend this routine for the 917387070:
- Set the mower on a level surface and clean around the oil fill
- Add oil slowly; total capacity is about 20 oz
- Tighten the cap/dipstick to get an accurate reading, then verify it is at the FULL line
- Check oil before each use and after about 5 hours of continuous mowing
- Change oil every 25 hours of operation or at least once per season (more often in dusty conditions)
Why it matters
Correct oil viscosity and API-rated detergent oil protect the crankshaft, piston, and bearings from heat and wear. Overfilling or running low can cause smoking, hard starting, and accelerated engine damage.
Last updated: January 2026
What model number is a Craftsman 6.75 lawn mower?
A “Craftsman 6.75” label usually refers to the engine rating, not the mower’s model number. For your Craftsman rotary lawn mower, the model number is printed on the mower’s ID label and is also shown on the cover of the 917387070 owner's manual.
Where to find the model number on the mower
Check these common locations on a Craftsman walk-behind mower:
- On the rear of the mower deck near the discharge opening
- On the deck top surface near the engine mounting area
- On the handle bracket area (left or right side)
- On a sticker or metal tag that lists “Model No.” and “Serial No.”
“6.75” vs. the mower model number (what it means)
“6.75” is commonly used to describe the engine power class, but it does not uniquely identify the mower. Craftsman mowers can share similar engine ratings while using different decks, controls, and parts.
| What you see | What it identifies | Example for this mower |
|---|---|---|
| 6.75 (engine rating) | Engine power class | Not a unique model ID |
| 917.XXXXXX | Mower model number | 917.387070 |
| Engine model number | Engine family | Example shown in the manual: 143.975506 |
Why it matters when ordering parts
Using the correct mower model number (917.387070) helps us match the right blade, control cable, and hardware for your exact deck and handle setup.
If you are replacing common wear items, these model-matched parts are often involved:
- Lawn mower blade 532406713 (22-inch blade)
- Control cable 532168552 (engine zone control cable)
- Lawn mower blade adapter 581547901 (connects blade to crankshaft)
Last updated: January 2026
How to tell the year of a Craftsman lawn mower?
For a Craftsman walk-behind mower like model 917387070, the most reliable way to identify the year is to use the engine model and date code (on the engine shroud or valve cover) and cross-check it with the mower’s identification tag. Your 917387070 owner's manual confirms the mower model, which helps you match the correct engine and parts breakdown.
Where to look for the date information
On walk-behind mowers, the “year” is usually tied to the engine build date and the mower’s product/serial tag.
- Mower identification tag: commonly on the rear deck, near the height adjusters, or on the handle bracket area
- Engine label: on the blower housing (recoil starter shroud) or valve cover
- Engine model number: this mower’s manual lists an engine reference (Craftsman engine 143.975506), which is a strong clue for decoding the engine date
- Parts list cross-check: once you confirm the mower model, you can verify you are looking at the right configuration (for example, the 22-inch blade and blade adapter shown in the manual)
Quick decoding guidance (what the numbers usually mean)
Craftsman mower tags and engine tags vary by era and manufacturer, but these patterns are common:
- 6-digit date code (MMDDYY): example 071294 = July 12, 1994
- Engine manufacturer date code: often includes a build date or a Julian date (day-of-year) plus year
- Serial number formats: some use a letter prefix plus digits; the year is embedded but not always in the same position
| What you find | What it tells you | Best next step |
|---|---|---|
| Mower model number (917387070) | Identifies the exact mower platform | Use it to match the correct manual and parts list |
| Engine model (example: 143.975506) | Identifies the engine family and era | Decode the engine date code on the engine label |
| 6-digit date stamp | Often the actual build date | Read as MMDDYY when that format fits |
Why it matters
Knowing the year helps you match the correct blade, blade adapter, control cable, and hardware so parts fit the deck and engine setup. It also helps when you are doing seasonal maintenance like spark plug and air filter service.
Helpful tip while you are checking the tag
If you are servicing the cutting system at the same time, confirm the blade and adapter match your mower’s configuration. For this model, common related parts include the lawn mower blade 532406713 and the lawn mower blade adapter 581547901.
Last updated: January 2026
