STIHL 18-Inch Chainsaw and Chain Options, Compared Side by Side

5 models compared October 26, 2026 11 min read

Specs below are quoted from each Amazon listing. Scores are out of 10, based on listed specifications and buyer feedback. Nothing on this page was handled or measured by us.

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Finding the right setup for a stihl chainsaw 18 inch configuration comes down to matching your guide bar specifications or choosing a saw that fits your property maintenance needs. Many chainsaw owners search for an 18-inch cutting setup expecting every bar and loop to be universally interchangeable, but chain pitch, gauge, and drive link count must align precisely with the sprocket and guide bar to operate safely. Fitting an authentic or compatible chain ensures clean cutting performance, minimal vibration, and dependable engine response across every cut.

This guide covers exactly five products to help you navigate your options, spanning three distinct 18-inch chain replacement configurations and two complete chainsaw powerheads. Three of these selections focus on 18-inch loops engineered for popular mid-size workhorses, differing by cutter profile, link count, and packaging volume. The remaining two selections are complete STIHL powerheads designed for homeowners seeking either an entry-level gas saw or a clean, battery-powered pruning solution. Examining these models side by side clarifies whether a fresh chain loop or an entirely new saw matches your current workload.

Which STIHL 18-inch Chainsaws and Chains Should You Buy

High-speed clean timber bucking: Stihl Chainsaw Chain- 26RS68- 18 Inch delivers aggressive full-chisel cutting for experienced woodcutters.
see 1 of 5
High-volume firewood processing: 4 Pack 18 Inch Chainsaw Chain provides multiple full-chisel replacement loops for compatible guide bars.
see 2 of 5
Dirty timber and all-around firewood cutting: Stihl 2 Pack 26RM3 68 Drive offers forgiving semi-chisel durability with two genuine loops.
see 3 of 5
Entry-level gas-powered yard cleanup: Stihl MS 162 Chainsaw W 16″ suits homeowners wanting an agile petrol saw for light firewood.
see 4 of 5
Quiet residential pruning and noise-sensitive chores: Stihl MSA60.0 C-B Cordless Chainsaw Lightweight delivers zero-emission push-button operation.
see 5 of 5

1 of 5
Stihl

Stihl Chainsaw Chain- 26RS68- 18 Inch

9.0
/10
Our score

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Best for
Clean timber and fast firewood bucking

Pros

Genuine factory-sealed STIHL chain
Fast-cutting full-chisel profile
Direct fit for .063 gauge bars

Cons

Dulls quickly in dirty bark

The Stihl Chainsaw Chain- 26RS68- 18 Inch is a single-pack genuine factory-sealed replacement loop designed specifically for mid-sized cutting bars requiring an 18 inch chainsaw chain 68 drive links configuration. As an authentic piece of cutting gear carrying model number 26RS68, it arrives in original packaging to ensure factory sharpness directly out of the box. The chain features a .325 pitch (listed as 0.33 inches) and a .063 gauge (listed as 0.06), making it a precise stihl 18 inch chain .325 pitch .063 gauge match for standard guide bars found on popular platforms like the MS 250.

What defines the stihl 26RS68 chain is its full-chisel cutter profile. Full-chisel teeth feature square corners that sever clean wood fibers rapidly, making this chain an outstanding choice for felling standing timber and bucking clean logs. Because the square cutter geometry bites aggressively into the grain, it cuts significantly faster than rounded semi-chisel alternatives. However, the listing does not specify anti-kickback bumper links on this individual loop, so operators must maintain proper saw control during heavy cutting. This chain suits experienced operators who demand maximum severance speed in clean timber.

Genuine factory-sealed single-pack replacement chain with part number MT-PN-28908874
Aggressive full-chisel cutter design engineered for clean, rapid timber slicing
Standard 68 drive link count with .325 pitch and .063 gauge bar fitment
Direct compatibility with mid-sized guide bars on matching brand powerheads

2 of 5
Funkywoo

4 Pack 18 Inch Chainsaw Chain

8.8
/10
Our score

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Best for
High-volume cordwood processing on pre-2023 saws

Pros

Four-pack replacement loop bundle
Hard chrome wear-resistant coating
Hardened rivets for strength

Cons

Incompatible with newer .050 bars

For woodcutters managing substantial acreage or processing cord after cord of firewood, the 4 Pack 18 Inch Chainsaw Chain offers a practical multi-loop bundle built to fit compatible mid-sized saws. Manufactured by FUNKYWOO, this bundle includes four matching full-chisel chains configured with .325 pitch, .063 gauge, and 68 drive links. The listing explicitly notes broad compatibility with classic models including the 025, 025C, MS 230, MS 230 C, MS 230 C-BE, MS 241 C-M, MS 250, MS 250 C, MS 250 C-BE, MS 251, MS 251 C, and MS 251 C-BE.

A critical detail highlighted in the product specifications is that several 2022 and newer MS 250 configurations may feature a .050 gauge guide bar rather than the older .063 gauge standard. Operators looking for a stihl MS 250 18 inch chain replacement must verify the stamping on their guide bar before mounting these loops, as a .063 drive link will bind in a narrower .050 groove. Built from heat-treated steel with an industrial hard chrome outer layer and hardened rivets, these chains offer wear resistance for heavy bucking. The listing notes a kickback warning, advising proper kickback handling experience.

Convenient four-pack bundle of 18-inch full-chisel replacement loops
Standard 68 drive links with .325 pitch and .063 gauge specification
Heat-treated chain links with industrial hard chrome plating for wear reduction
Engineered for pre-2023 .063 guide bars across MS 250, MS 251, and 025 series saws

3 of 5
Stihl

Stihl 2 Pack 26RM3 68 Drive

8.2
/10
Our score

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Best for
All-around cutting in gritty or dirty wood

Pros

Genuine STIHL Rapid Micro cutters
Stays sharp longer in gritty timber
Convenient two-pack quantity

Cons

Slower cutting than full chisel

The Stihl 2 Pack 26RM3 68 Drive provides a two-count package of genuine cutting loops under model number 26RM3, tailored specifically for guide bars running an 18-inch cut length. Designed as an authentic factory accessory, this stihl 26RM3 rapid micro chain set features the standard .325 pitch (listed as 0.33 inches) and .063 gauge with 68 drive links. The listing highlights direct compatibility with the MS 250 and related saws running matching guide bars, giving homeowners a reliable twin-pack of authentic cutting hardware.

The Rapid Micro cutter configuration on this chain delivers distinct advantages for mixed cutting conditions. Unlike square-cornered full-chisel cutters, Rapid Micro chains use a rounded corner design that resists dulling when contacting dirty bark, soil, or seasoned hardwood. This profile generates smoother cuts, lowers vibration through the guide bar, and stays sharp noticeably longer under imperfect cutting conditions. While the listing notes the chain type as semi-chisel or full chisel in general specs, the 26RM3 designation corresponds to genuine Rapid Micro semi-chisel engineering known for balanced cutting behavior.

Genuine factory two-pack replacement set carrying model number 26RM3
Rapid Micro cutter geometry engineered to maintain sharpness in dirty wood
Matches 18-inch bars requiring 68 drive links, .325 pitch, and .063 gauge
Direct fitment for the MS 250 and compatible mid-size homeowner saws

4 of 5
Stihl

Stihl MS 162 Chainsaw W 16″

9.6
/10
Our score

Top-rated
Scored 9.2/10 or higher

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Best for
Light residential yard cleanup and small firewood

Pros

Lightweight 13.3-pound total build
2 kW mixed-fuel engine power
Complete saw with bar and chain

Cons

Limited to 16-inch bar capacity

If your search for an 18-inch cutting setup leads to the realization that your current powerhead is underpowered or worn out, the Stihl MS 162 Chainsaw W 16″ represents a complete gas-powered cutting solution. Listed with model number 1148-011-3000, this machine is an entry-level petrol saw that comes equipped with a 16-inch bar and chain (with 30 cm referenced in the description). Weighing 13.3 pounds and powered by a mixed-fuel two-stroke engine delivering 1.2 kW of output, it provides a nimble platform for routine property chores.

The stihl MS 162 chainsaw is designed for light-duty maintenance tasks, such as trimming branches, clearing storm blowdown, and bucking smaller firewood logs. When considering which stihl chainsaw to buy, shoppers comparing this unit against larger 18-inch saws must recognize the difference in engine displacement and bar capacity. While an 18-inch bar handles broader trunk cross-sections, the compact 16-inch bar on this 1.2 kW powerhead keeps the balance agile and prevents engine bogging. Homeowners evaluating modern yard gear might also check out guides like the dewalt chain saw 60v max 16 inch to see how mid-sized cutting bars compare across platforms.

Complete petrol-powered chainsaw package with model number 1148-011-3000
Equipped with a 16-inch bar and matching chain for agile maneuverability
Mixed-fuel engine delivering 1.2 kW of cutting power for homeowner tasks
Compact total operating weight of 13.3 pounds for reduced fatigue during pruning

5 of 5
Stihl

Stihl MSA60.0 C-B Cordless Chainsaw Lightweight

8.8
/10
Our score

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Best for
Noise-sensitive garden pruning and craft woodworking

Pros

Toolless quick chain tensioner
Quiet 0.7 kW battery motor
Ergonomic variable-speed handle

Cons

Not suited for large tree felling

For woodcutters who prefer to bypass gasoline mixing and engine pull cords entirely, the Stihl MSA60.0 C-B Cordless Chainsaw Lightweight delivers clean battery operation in a highly accessible form factor. Carrying model number MA04 011 5806, this cordless powerhead operates on an efficient EC electric motor producing 0.7 kW of power. With an overall weight of 5 kg (11 pounds) and exterior dimensions measuring 17.9 by 7.5 by 8.3 inches, the saw is tailored specifically for green space maintenance, light pruning, and craft woodworking.

Equipped with a specialized PM3 chain, the stihl MSA 60 C-B cordless chainsaw is engineered for clean, precise severance with minimal chatter. The powerhead incorporates a quick chain tensioner system that allows operators to adjust chain tension directly without using hand tools. Additional user-focused features include an ergonomic control handle featuring a potentiometer function for variable speed control, a transparent chain oil tank for instantaneous fluid checks, a dedicated battery intermediate position for safe transport, and a two-handed conduction grip for stable cutting posture.

This battery-operated saw is the ideal choice for residential gardeners, DIY enthusiasts, and homeowners operating in noise-sensitive suburban neighborhoods. When evaluating cordless platforms against other battery tools like a dewalt cordless chainsaw 20v, shoppers will appreciate the refined balance and integrated toolless tensioning on this dedicated pruning machine. However, with its 0.7 kW motor and compact cutting bar, it cannot substitute for an 18-inch gas saw when bucking large hardwood logs, serving instead as an effortless trimming companion.

Cordless electric chainsaw powered by a 0.7 kW EC motor with battery power source
Toolless quick chain tensioner system for fast chain adjustments in the field
Ergonomic handle with potentiometer function for smooth variable speed regulation
Transparent oil tank and PM3 precision chain tailored for low-vibration cuts

What Sets These Models Apart

Conducting a thorough stihl chainsaw comparison requires looking closely at whether you need replacement cutting teeth or a complete mechanical powerhead. The three chain offerings cover standard 18-inch guide bars requiring 68 drive links with a .325 pitch and .063 gauge, yet they serve distinct cutting habits. The 26RS68 provides genuine full-chisel speed for clean wood, the 4-pack bundle maximizes field endurance for heavy cordwood processing, and the 26RM3 pair offers durable semi-chisel longevity. Meanwhile, the complete saws cater to distinct operational preferences, offering either lightweight 1.2 kW gas cutting or push-button 0.7 kW cordless convenience. For readers also tracking high-output battery alternatives, our dewalt chainsaw 60v overview demonstrates how larger battery platforms contrast with petrol and compact cordless tools.

Model	Product Type	Power / Cutter Profile	Bar Fitment / Drive Links
Stihl Chainsaw Chain- 26RS68- 18 Inch	Single Replacement Chain	Full Chisel (Square Cutter)	18-inch bar, 68 links, .325 pitch, .063 gauge
4 Pack 18 Inch Chainsaw Chain	Four-Pack Replacement Chains	Full Chisel (Heat-Treated / Chrome)	18-inch bar, 68 links, .325 pitch, .063 gauge
Stihl 2 Pack 26RM3 68 Drive	Two-Pack Replacement Chains	Rapid Micro (Semi-Chisel Profile)	18-inch bar, 68 links, .325 pitch, .063 gauge
Stihl MS 162 Chainsaw W 16″	Complete Petrol Chainsaw	1.2 kW Mixed-Fuel Engine	16-inch bar (30 cm listed)
Stihl MSA60.0 C-B Cordless Chainsaw Lightweight	Complete Battery Chainsaw	0.7 kW EC Electric Motor	Compact bar with PM3 chain

Understanding these technical divisions prevents mismatched hardware and wasted setup time. An 18-inch bar requires the specific engine displacement of a mid-sized saw like the MS 250 to pull a .325 chain through dense timber without stalling. Attempting to fit an 18-inch bar onto smaller machines like the 1.2 kW MS 162 or the 0.7 kW MSA 60 C-B would overload their drivetrains and create severe safety risks. By matching the chain pitch, gauge, and drive link count directly to your saw’s guide bar, you maintain peak cutting efficiency and engine health.

Figures in this table are copied from the Amazon listings for these models.

Buying Tips for STIHL 18-inch Chainsaws and Chains

Before ordering any replacement chain for your stihl chainsaw 18 inch setup, you must verify the three critical measurements stamped into the tail end of your existing guide bar: pitch, gauge, and drive link count. While many 18-inch bars on saws like the MS 250 historically used a .325 pitch with a .063 gauge and 68 drive links, newer post-2022 configurations frequently utilize a .050 gauge bar. Mounting a .063 chain in a .050 groove will cause severe binding, while placing a .050 chain in a .063 groove leads to sloppy tracking, crooked cuts, and premature bar wear.

Another essential consideration is selecting the cutter type for your typical cutting environment. When choosing between a full chisel vs rapid micro stihl chain, consider the condition of the timber you process. Full-chisel cutters like the 26RS68 feature sharp 90-degree corners that sever clean wood fibers with remarkable speed, making them ideal for cutting freshly dropped green timber and clean firewood. However, if your logs are dragged through mud, coated in sand, or frozen, those delicate square corners will dull quickly. In contrast, Rapid Micro semi-chisel chains feature rounded radius corners that tolerate debris much better and retain their cutting edge significantly longer.

Finally, evaluate whether your workload warrants replacement loops or a new powerhead altogether. If your current powerhead starts reliably, maintains strong compression, and oils properly, investing in a single premium loop or a multi-pack keeps you productive. On the other hand, if you are struggling with a tired engine or simply need a lightweight tool for garden trimming, purchasing an agile gas saw like the MS 162 or a clean battery tool like the MSA 60 C-B will transform your yard maintenance routine.

FAQ

How do I know if an 18-inch chain will fit my chainsaw?

You must confirm that the chain pitch, gauge, and drive link count match the specifications stamped onto your guide bar. For an 18-inch STIHL bar, the standard configuration is typically .325 pitch, .063 gauge, and 68 drive links, though some newer bars use a .050 gauge. Never rely on the 18-inch length alone, as chains with different drive link counts or pitches cannot seat properly on your drive sprocket.

What is the difference between full chisel and Rapid Micro chain?

Full-chisel chains, such as the 26RS68, feature square-cornered cutters designed to sever clean wood fibers quickly, making them the fastest cutting option for pristine timber. Rapid Micro chains, such as the 26RM3, utilize a semi-chisel profile with rounded corners. The rounded shape stays sharp longer when cutting dirty or seasoned wood and produces less vibration, though it cuts slightly slower than full chisel in clean timber.

Can I run an 18-inch bar and chain on the MS 162 chainsaw?

The MS 162 is an entry-level homeowner saw engineered specifically with a 1.2 kW engine matched to a 16-inch (or smaller 30 cm) bar. Mounting an 18-inch bar and chain will overburden the 1.2 kW motor, leading to frequent bogging, clutch overheating, and poor cutting performance. It is always best to run the bar length recommended by the manufacturer.

Why do some MS 250 saws require .050 gauge instead of .063 gauge?

While older MS 250 guide bars standardly used a .063-inch groove width, several models manufactured in 2022 and newer feature a narrower .050-inch gauge bar. The drive link thickness must match the bar groove precisely. Always check the stamped markings near the mount of your guide bar to verify whether you need .063 or .050 drive links before ordering replacement loops.

What are the primary benefits of the cordless MSA 60 C-B chainsaw?

The cordless MSA 60 C-B eliminates fuel mixing, exhaust fumes, and pull-cord starting while operating quietly at a low 0.7 kW output. It features an integrated toolless quick chain tensioner, a transparent chain oil reservoir, an ergonomic variable-speed handle, and an intermediate battery lock position, making it exceptionally user-friendly for garden pruning and DIY woodwork.