By Kai Nakamura · Production roaster & equipment editor · Updated 2026-09-21

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 → USHourly throughput → SanAutomation depth → San

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

US Roaster Corp 3kg

3 kg

San Franciscan SF-6

6 kg

Heat source

US Roaster Corp 3kg

130,000 BTU/h gas

San Franciscan SF-6

195,000 BTU/h gas

Drum / chamber

US Roaster Corp 3kg

Carbon steel drum

San Franciscan SF-6

Hand-built steel drum

Batch time (typical)

US Roaster Corp 3kg

10 min

San Franciscan SF-6

12 min

Throughput (modelled)

US Roaster Corp 3kg

12.9 kg/h

San Franciscan SF-6

22.5 kg/h

Street price band

US Roaster Corp 3kg

$18,000 USD

San Franciscan SF-6

$58,000 USD

Exhaust

US Roaster Corp 3kg

320 CFM

San Franciscan SF-6

500 CFM

Lead time

US Roaster Corp 3kg

8 wks — confirm with dealer

San Franciscan SF-6

14 wks — confirm with dealer

Automation

US Roaster Corp 3kg

Manual

San Franciscan SF-6

Manual

Service hub

US Roaster Corp 3kg

USA

San Franciscan SF-6

USA

Manufacturer specs and dealer quotes. Throughput model uses SCA 4-minute cooling allowance. Verify all numbers with OEM before purchase.

Strengths & trade-offs

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

Deep dives

What to verify with your dealer

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

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

Strengths & trade-offs

US Roaster Corp strengths & gaps

San Franciscan Roaster Co. strengths & gaps

Deep dives

FAQ

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