By Kai Nakamura · Production roaster & equipment editor · Updated 2026-09-21
Loring S35 Kestrel vs Probat P25 III
Convection recirculation vs conventional drum heat transfer
Probat P25 III wins on installed cost — confirm Loring dealer support in your region before ruling it out.
Also searched: probat p25 iii vs loring s35 kestrel
Decision picker
Specification matrix
| Spec | Loring S35 Kestrel | Probat P25 III |
|---|---|---|
| Batch capacity | 35 kg | 25 kg |
| Heat source | 650,000 BTU/h gas | 750,000 BTU/h gas |
| Drum / chamber | Single-wall steel | Cast-iron drum |
| Batch time (typical) | 14 min | 16 min |
| Throughput (modelled) | 116.7 kg/h | 75 kg/h |
| Street price band | $320,000 USD | $195,000 USD |
| Exhaust | 1400 CFM | 1300 CFM |
| Lead time | 32 wks — confirm with dealer | 22 wks — confirm with dealer |
| Automation | Smart Roast PLC | Probatronic 800 standard |
| Service hub | USA | Germany |
Batch capacity
Loring S35 Kestrel
35 kgProbat P25 III
25 kgHeat source
Loring S35 Kestrel
650,000 BTU/h gasProbat P25 III
750,000 BTU/h gasDrum / chamber
Loring S35 Kestrel
Single-wall steelProbat P25 III
Cast-iron drumBatch time (typical)
Loring S35 Kestrel
14 minProbat P25 III
16 minThroughput (modelled)
Loring S35 Kestrel
116.7 kg/hProbat P25 III
75 kg/hStreet price band
Loring S35 Kestrel
$320,000 USDProbat P25 III
$195,000 USDExhaust
Loring S35 Kestrel
1400 CFMProbat P25 III
1300 CFMLead time
Loring S35 Kestrel
32 wks — confirm with dealerProbat P25 III
22 wks — confirm with dealerAutomation
Loring S35 Kestrel
Smart Roast PLCProbat P25 III
Probatronic 800 standardService hub
Loring S35 Kestrel
USAProbat P25 III
GermanyManufacturer specs and dealer quotes. Throughput model uses SCA 4-minute cooling allowance. Verify all numbers with OEM before purchase.
Strengths & trade-offs
Loring strengths & gaps
- Industrial throughput
- Best-in-class efficiency
- Major facility requirements
Probat strengths & gaps
- Production volume
- Probat service worldwide
- High gas usage
Deep dives
Recirculation vs open exhaust
Loring S35 Kestrel recirculates hot gas — exhaust temperature drops and afterburner load shrinks.
Open-drum platforms vent more heat per batch. Model your gas meter at 50% and 75% charge before signing.
IR radiant heat transfer
Diedrich IR drums radiate through a double-wall — different first-crack timing than convection.
Operators switching from Probat or Giesen need 15–20 calibration batches, not a copied profile.
What to verify with your dealer
Neither OEM publishes binding street prices — quotes move with queue and freight.