Crosson MMO-34L vs Sharp R-21LTF

Last updated: November 9, 2026

The Sharp R-21LTF is the better commercial microwave overall, rated 3.3 to 2.4. The Crosson MMO-34L wins on capacity. The Crosson MMO-34L costs $81 less ($459 vs $540).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Crosson MMO-34L vs Sharp R-21LTF

Higher rated
Sharp R-21LTF

A 1,000 W, 1.0 cu ft programmable commercial microwave for cafes and server stations. It adds 20 programs, 11 power levels and a two-year parts and labor warranty to the R-21L design.

Amazon $540
$540

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every under 1,200 W commercial microwave; a clear win is highlighted. How we rank explains each one.

Factor weightSharp R-21LTFCrosson MMO-34L
Overall rating3.3/52.4/5
Power 25%8 1,000 W output8 1,000 W output
Capacity 15%71 1 cu ft cavity100 1.2 cu ft cavity
Programmability 25%72 20 programs, 3 stages, 11 power levels10 no stored programs, 5 power levels (rest not published)
Duty rating 15%50 maker rates it medium duty50 duty rating not published (neutral score used)
Warranty 20%65 2-year parts and labor, 3 years on the magnetron0 warranty not published, scored as none

Specifications

Sharp R-21LTFCrosson MMO-34L
Cooking
Output power1,000 W1,000 W
Duty ratingMedium-
Cavity
Capacity1 cu ft1.2 cu ft
Inside dimensions13.9 x 14.6 x 8.1 in (W x D x H)-
InteriorStainless steelCeramic liner
Controls
ControlsTouchDial
Stored programs20None (dial)
Cooking stages3-
Power levels115
Braille keypadYes-
Door handleTrigger handle-
Electrical
Voltage120 V-
PlugNEMA 5-15-
Input power1,600 W-
Current draw14 A-
Build
Outside dimensions20.5 x 16 x 12.1 in (W x D x H)-
Weight37 lb-
Certifications-UL, NSF
Parts and labor warranty2 years-
Magnetron warranty3 years-

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