A STIHL KM 110 R typically costs about $350-$500 for new old-stock equipment, while used powerheads commonly sell for $175-$350. The final price depends on condition, included attachments, local dealer pricing, and whether the machine is sold as a bare powerhead or as a complete kit.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Used KM 110 R powerhead | $175 | $260 | $350 | Running unit, condition and service history vary |
| New old-stock powerhead | $350 | $425 | $500 | Availability and dealer pricing vary |
| Powerhead with one attachment | $300 | $475 | $700 | Used combination; attachment type affects price |
| Extra attachment | $100 | $220 | $400 | Used or new, depending on tool and condition |
Assumptions: U.S. prices before sales tax; estimates cover the powerhead unless an attachment is specified.
What a KM 110 R Powerhead Usually Costs
Budget roughly $175-$500 for the KM 110 R powerhead, with about $260 typical for a sound used unit. The model is a 31.4 cc STIHL KombiSystem engine, sold to drive compatible interchangeable attachments. Its price is not the same as the price of a complete trimmer, edger, or brushcutter setup.
Used prices around $175-$225 are more likely when the machine has cosmetic wear, no service records, or needs a tune-up. A tested unit that starts easily, idles steadily, and includes its guard and basic hardware may sell closer to $250-$350. A new old-stock example can reach $400-$500, particularly when sold through a dealer with support or warranty coverage.
Because the KM 110 R is an older model, availability is less predictable than for current STIHL powerheads. It may not have a stable current MSRP, and online asking prices are not necessarily completed-sale prices. A local dealer can confirm compatibility and whether a listed unit is genuinely new, refurbished, or simply unused.
The engine alone is a useful comparison point, but the buyer’s total cost can rise quickly when attachments are missing. Typical bare powerhead estimate: $175-$500; complete setup with one tool: about $300-$700.
How the engine, attachment, and dealer quote add up
Most of the price is the powerhead and the attachment; tax, service, and missing accessories account for the remaining difference. The following ranges are practical budgeting estimates, not a fixed STIHL price list. An attachment’s fit and condition should be verified for the specific KombiSystem configuration.
| Quote component | Low | Average | High | What changes the charge |
|---|---|---|---|---|
| Used powerhead | $175 | $260 | $350 | Starting, compression, maintenance, and wear |
| New old-stock powerhead | $350 | $425 | $500 | Dealer availability and included support |
| Used basic attachment | $100 | $180 | $275 | Trimmer, edger, or other tool; wear and completeness |
| New attachment | $150 | $250 | $400 | Attachment type and current dealer price |
| Inspection or tune-up | $40 | $85 | $150 | Shop minimum, parts, and repair scope |
| Sales tax | $0 | $25 | $60 | Tax rate and taxable purchase amount |
A used powerhead at $260 paired with a $180 used trimmer attachment produces a $440 equipment subtotal. A $50 inspection and 7% sales tax, where applicable, would bring the approximate outlay to $524. The seller may include an attachment or accessories, so compare the total package rather than subtracting an arbitrary amount from a bundle.
Labor is usually not part of a private-party sale. A repair shop may charge for inspection or troubleshooting, and the minimum fee can apply even if the machine needs only a small adjustment. Example repair labor: 0.5-1.5 hours at $75-$125 per hour, plus parts.
Why 31.4 cc condition and attachment choice shift the price
Engine health and the included tool can move a quote by more than $150. The KM 110 R’s 31.4 cc engine should be assessed as a used power tool, not just by its plastic condition. A clean housing does not confirm good compression, a sound clutch, or reliable hot starts.
Ask to see the engine start cold, accept throttle, idle without stalling, and restart after it has warmed up. Smoke, fuel leaks, surging, a slipping clutch, or difficulty starting can signal repair costs. A machine sold as-is without a test should be priced below an equally clean, demonstrated unit. A repair diagnosis can cost $40-$100 or more, before replacement parts.
Attachment type also matters. A basic line-trimmer attachment generally costs less than a specialty tool, and used attachment prices depend on whether the drive shaft, guard, cutting head, and fasteners are present. New or less common attachments can push the total above $600 even when the powerhead itself is fairly priced.
Finally, verify the coupling and shaft condition before assuming an attachment will fit. Bent shafts, damaged couplers, missing guards, or worn cutting heads can require additional parts or make a bargain package uneconomical. Request the model information and inspect the actual connection rather than relying only on a seller’s description of compatibility.
Used KM 110 R versus new old stock and newer powerheads
A tested used unit is usually the lowest-cost route; new old stock costs more but may reduce uncertainty. A $175-$350 used KM 110 R can make sense when it has a reliable start, runs under load, and includes the needed attachment. A $350-$500 unused example may be attractive if the dealer confirms its condition and explains what warranty or service support applies.
Before paying a premium for an older machine represented as new, ask whether it has been stored with fuel in the carburetor, whether it has been started, and what the seller means by “new.” Warranty coverage can depend on purchase channel, date, registration, and use type, so get the terms in writing rather than assuming that an old-stock unit has full current coverage.
Compare a newer compatible STIHL powerhead if the KM 110 R is priced near $500 or needs significant repairs. Current models can cost more, but they may be easier to source, service, and warranty. A replacement decision should compare the complete setup: powerhead, attachment compatibility, repair estimate, and any parts needed to return the older machine to dependable use.
For a used purchase, a useful price adjustment is the confirmed repair bill, not a vague allowance for “tune-up.” For example, if a seller wants $300 and a shop estimates $120 for needed repairs, the effective cost is at least $420 before tax. That may be close to new old-stock pricing, with more risk and no equivalent support.
What three realistic KM 110 R purchase quotes look like
Package contents explain why two listings with the same engine can differ by hundreds of dollars. These examples show plausible U.S. totals before any unusual repairs; sales tax is estimated at 7% for comparison and varies by location.
| Purchase scenario | Equipment and work | Subtotal | Estimated total |
|---|---|---|---|
| Budget used | $200 powerhead, $120 used trimmer, no shop work | $320 | $342 with 7% tax |
| Inspected used package | $275 powerhead, $190 attachment, $75 inspection | $540 | $578 with 7% tax |
| Dealer old stock | $450 powerhead, $250 new attachment, no repair labor | $700 | $749 with 7% tax |
The first example is a low-price package, but it leaves little allowance for repairs and should be tested before purchase. The inspected setup costs more because it includes a shop visit, while the dealer package has new equipment and a higher starting price. Shipping, if applicable, is not included and can add roughly $20-$80 for a compact tool or attachment.
Compare each quote on the same basis: powerhead condition, attachment model and condition, included guards and hardware, inspection fee, shipping, tax, and return or warranty terms. A $400 listing with no attachment may be a worse value than a $500 package that includes the exact tool needed and has been tested.
How local dealer and online prices vary across the U.S.
Location can change the delivered price by roughly 5%-20%, particularly when inventory is scarce or shipping is required. These are planning differences rather than official regional price bands. Dealer competition, state and local tax, seasonal demand, and the availability of used equipment all affect the actual quote.
In a large metro market with several outdoor-power-equipment dealers, a buyer may find more used listings and prices near the low end of the used range. However, labor and sales tax may be higher. In rural areas, fewer local listings can make a tested machine harder to find, while travel or freight adds expense. Shipping a powerhead from another state can cost $20-$80, and the buyer should confirm that the seller packs it securely and complies with carrier rules for equipment containing fuel.
Dealer pricing can be higher than a private sale but may include setup, inspection, or a clearer service path. Ask for an itemized quote showing the equipment price, tax, delivery, and any shop charge. A quote that is 10% above an online listing may still be competitive if it includes a compatible attachment and documented inspection, but not if the package omits essential parts.
Get at least two local quotes when possible and compare delivered totals. For example, a $400 powerhead plus $35 shipping and 8% tax on the equipment and shipping comes to about $470. A $440 local quote with no delivery charge may be the lower-cost choice, even though its listed price is higher.
What to check before paying for repairs or missing parts
Inspection and small missing items can turn a low asking price into a costly purchase. Before buying, check the starter, fuel lines, air filter, spark plug area, shaft, coupler, throttle trigger, stop switch, and attachment guard. Confirm that the engine runs at idle and accelerates smoothly. A short demonstration is more useful than a seller’s claim that the machine “ran last season.”
Routine service items are generally less expensive than major engine or clutch work, but the total depends on shop rates and parts availability. A basic service might cost $40-$100, while a more involved carburetor, clutch, or engine repair can reach $100-$300 or more. Request a written estimate before authorizing work, especially if the machine needs several parts.
Missing guards, cutting heads, or fasteners may add $15-$75 for common replacements, while a replacement attachment can cost $100-$400. These amounts are estimates and can vary with the specific attachment. If the seller cannot identify the tool or provide a model marking, verify the replacement price before treating the machine as a complete package.
Do not assume that a cheap powerhead can be repaired economically. If the estimated repair approaches $200-$300, compare the repaired total with a tested used unit and with a newer compatible powerhead. Include the value of any attachment already owned, since that can make keeping the KM 110 R more economical than replacing the whole system.
Ways to lower the KM 110 R total without buying the wrong setup
The safest savings come from buying only the attachment needed and pricing the complete package before negotiating. Start by confirming whether the existing tool is compatible and usable. If the buyer already owns a suitable attachment, paying extra for a bundle of duplicate tools can erase the apparent discount.
Compare tested used equipment with new old stock using the same scope. Ask the seller to include the guard, cutting head, and required hardware, or reduce the price to reflect replacements. A start-and-run demonstration is worth more than a small discount on an untested machine, because carburetor or engine repairs can exceed the savings quickly.
For a dealer purchase, ask for a written out-the-door price and separate any setup or inspection charge. Compare that total with another local quote, including tax and delivery. Avoid paying a large premium for accessories that will not be used, but do not omit safety parts required for the attachment.
Timing can help when demand is lower, often outside peak spring and summer yard-work periods, although older model inventory may be limited at any time. Waiting is not always cheaper if the machine is scarce. A practical target is a running used powerhead near $200-$300, or a new old-stock unit near $350-$450 when condition, support, and included equipment justify the higher price.