By Kai Nakamura · Production roaster & equipment editor · Updated 2026-09-17

US Roaster Corp 3kg vs San Franciscan SF-6

Batch capacity, utilities, and roast-style fit

→ US Roaster Corp 3kg

US Roaster Corp 3kg wins on installed cost — confirm San Franciscan Roaster Co. dealer support in your region before ruling it out.

Capital outlay: WinnerHourly throughput: WinnerAutomation depth: Close

Lowest street price → US Roaster CorpFaster batches → San Franciscan Roaster Co.

Also searched: san franciscan sf-6 vs us roaster corp 3kg

Decision picker

What is your primary constraint?

Capital budgetOperating cost / utilities

Batch size you roast most often?

3 kg or less6 kg production

Is gas already permitted on-site?

Yes — gas readyNo — electric only

Choose US Roaster Corp 3kg if

• Budget shop roaster matches your roast targets
• Gas service and 320 exhaust already permitted
• Budget allows $18,000 USD equipment plus install

Choose San Franciscan SF-6 if

• Artisan build quality matches your roast targets
• Gas service and 500 exhaust already permitted
• Lead time under 18 weeks is critical

Specification matrix

Show differences only

Manufacturer specs and dealer quotes. Throughput model uses SCA 4-minute cooling allowance. Verify all numbers with OEM before purchase.
Spec	US Roaster Corp 3kg	San Franciscan SF-6
Batch capacity	3 kg	6 kg
Heat source	130,000 BTU/h gas	195,000 BTU/h gas
Drum / chamber	Carbon steel drum	Hand-built steel drum
Batch time (typical)	10 min	12 min
Throughput (modelled)	12.9 kg/h	22.5 kg/h
Street price band	$18,000 USD	$58,000 USD
Exhaust	320 CFM	500 CFM
Lead time	8 wks — confirm with dealer	14 wks — confirm with dealer
Automation	Manual	Manual
Service hub	USA	USA

Batch capacity

3 kg

San

6 kg

Heat source

130,000 BTU/h gas

San

195,000 BTU/h gas

Drum / chamber

Carbon steel drum

San

Hand-built steel drum

Batch time (typical)

10 min

San

12 min

Throughput (modelled)

12.9 kg/h

San

22.5 kg/h

Street price band

$18,000 USD

San

$58,000 USD

Exhaust

320 CFM

San

500 CFM

Lead time

8 wks — confirm with dealer

San

14 wks — confirm with dealer

Automation

Manual

San

Manual

Service hub

USA

San

USA

3kgSF-6

Qualitative scores — verify against your roast program

Why this split

US Roaster Corp 3kg leads on the weighted score for most boutiques we modelled.

San Franciscan Roaster Co. stays competitive when artisan build quality outweighs the price gap.

Deep dives

What to verify with your dealer

Neither OEM publishes binding street prices — quotes move with queue and freight.

Verify with vendor

• Confirm US Roaster Corp 3kg lead time and freight to your dock
• Confirm San Franciscan SF-6 install kit and probe package included
• Ask for three references at similar elevation and batch size

Side-by-side

US Roaster Corp strengths & gaps

Budget shop roaster
US-built
Basic build

San Franciscan Roaster Co. strengths & gaps

Artisan build quality
Distinctive roast character
Limited automation

FAQ

Looking for san franciscan sf-6 vs us roaster corp 3kg?

Same comparison — US Roaster Corp 3kg is listed first by convention. Verdict and spec matrix are identical either way.

What throughput can I expect?

Modelled: 12.9 kg/h (US Roaster Corp 3kg) vs 22.5 kg/h (San Franciscan SF-6) including a 4-minute charge/cool cycle.

What street price should I budget?

US Roaster Corp 3kg: $18,000 USD (As quoted Q1 2026, US factory). San Franciscan SF-6: $58,000 USD (As quoted Q1 2026, US artisan build). Request refreshed quotes — neither includes install.

Which supports Cropster logging?

US Roaster Corp 3kg: Aftermarket probe required. San Franciscan SF-6: Yes with RT bridge — confirm with dealer.

Decision picker

Specification matrix

Why this split

Deep dives

Side-by-side

US Roaster Corp strengths & gaps

San Franciscan Roaster Co. strengths & gaps

FAQ

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