Used Kaeser 5,5 Kw Screwcompressor Dryer Tank for sale (41,498)

Year of construction: 2020, operating hours: 9,045 h, condition: excellent (used), machine/vehicle number: MA0157_S0058169, variable screw compressor ALMIG F-DRIVE 11 (5 to 13 bar) Cotroller: Aircontrol Premium Year of construction: 2022 Operating hours: 9045 Bh Technical specifications Type: F-Drive 11 Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.16 / 1.95 m³ / min at 6 bar (g): 0.20 / 1.94 m³ / min at 7 bar (g): 0.23 / 1.84 m³ / min at 8 bar (g): 0.25 / 1.75 m³ / min at 9 bar (g): 0.26 / 1.67 m³ / min at 10 bar (g): 0.29 / 1.57 m³ / min at 11 bar (g): 0.30 / 1.48 m³ / min at 12 bar (g): 0.32 / 1.38 m³ / min at 13 bar (g): 0.37 / 1.27 m³ / min Nominal power drive motor: 11 kW Degree of protection / insulation class drive motor: IP 55 / ISO F Operating voltage / frequency: 400/50/3 V / Hz / ~ Sound pressure level (DIN 45635 part 13): 70 dB(A) Compressed air connection: 3/4“ G Length: 660 mm Lodpfx Ajihf Epsnceaa Width: 690 mm Height: 1586 mm Weight: 356 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: excellent (used), Year of construction: 2022, operating hours: 2,700 h, Used screwcompressor immediately available (Plug and Play): RENNER RS-PRO 4,0 (10 bar) oil-injected screw compressor Operating hours: 2700 h Pressure: 10 bar Rated power: 4,0 kW Lajdpfx Anotpxhuecja Delivery quantity: 0.55 m³ / min Sound level: 67 dB (A) Compressed air outlet: G 1/2 " Dimensions length x width x height: 540 x 553 x 1014 mm Weight: 151 kg Visit our shop. We always have a large selection of new and used compressors in stock!

Condition: new, Year of construction: 2025, functionality: fully functional, Exhibit: Compressor Kaeser SX 8 Special Edition (8 bar) with SIGMA CONTROL 2 Year of construction: 2025 Operating hours: 0 Bh Techn.Daten: Volume flow at 8 bar: 0.80 m³ / min Motor power: 5.5 kW Electrical connection: 400 V / 3/50 Hz Dimension W x D x H: 590 x 632 x 970 mm Weight: 155 kg Connection compressed air: G 3/4 " Sound pressure level: 64 dB (A) Visit our store in Erlangen. On more than 450 square meters of exhibition space you will find a large number of used and new compressors Lajdpfx Anewztt Hjcoa

Condition: excellent (used), Year of construction: 2025, operating hours: 1 h, functionality: fully functional, variable screw compressor ALMIG COMBI XP 15 (5 to 13 bar) include controller Air Control Basic Year of construction: 2025 Operatin hours: 1 Technical specifications Type: Combi XP 15 Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.50 to 2.49 m³/min at 6 bar (g): 0.48 to 2.41 m³/min at 7 bar (g) : 0.48 to 2.32 m³/min at 8 bar (g) : 0.45 to 2.23 m³/min at 9 bar (g) : 0.45 to 2.12 m³/min at 10 bar (g) : 0.45 to 2.02 m³/min at 11 bar (g) : 0.45 to 1.90 m³/min at 12 bar (g) : 0.44 to 1.80 m³/min at 13 bar (g) : 0.43 to 1.69 m³/min Lsdoxwb Rpspfx Ancsaa Nominal power drive motor: 15 kW Degree of protection / insulation class drive motor: IP 23 Operating voltage / frequency: 400V/85-400 Hz Compressed air connection: 3/4“ G Length: 691 mm Width: 1051 mm Height: 1088 mm Weight: 410 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: excellent (used), Year of construction: 2025, operating hours: 1 h, functionality: fully functional, variable screw compressor ALMIG COMBI XP 8 (5 to 13 bar) include controller Air Control Basic Year of construction: 2025 Operatin hours: 1 Technical specifications Type: Combi XP 8 Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.17 to 1.43 m³/min at 6 bar (g): 0.17 to 1.35 m³/min at 7 bar (g) : 0.17 to 1.25 m³/min at 8 bar (g) : 0.17 to 1.16 m³/min at 9 bar (g) : 0.17 to 1.07 m³/min at 10 bar (g) : 0.17 to 0.98 m³/min at 11 bar (g) : 0.17 to 0.89 m³/min at 12 bar (g) : 0.16 to 0.83 m³/min at 13 bar (g) : 0.16 to 0.75 m³/min Nominal power drive motor: 7,5 kW Degree of protection / insulation class drive motor: IP 23 Operating voltage / frequency: 400/42-230 V / Hz Compressed air connection: 3/4“ G Length: 691 mm Width: 1051 mm Lasdpfxjxqn Afs Ancja Height: 1088 mm Weight: 350 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: new, Year of construction: 2024, operating hours: 55 h, Exhibit available immediately: Kaeser SK 25 T - 8 bar screw compressor with integrated cold dryer with Controller SIGMA CONTROL 2 Lasdpfxounliqe Ancsa Year 2024 Operating hour: 55 h Pressure: 8 bar Nominal power: 15 kW Delivery rate: 2.51m³ / min Sound level: 67 dB (A) Compressed air outlet: 1 " Dimensions length x width x height: 750 x 1240 x 1260 mm Weight: 395 kg Visit our store. We always have a large selection of new and used compressors in stock!

Year of construction: 2018, operating hours: 155 h, condition: excellent (used), machine/vehicle number: MA0009_SN817079, Demonstration machine (prototype / zero series) available immediately (Plug and Play): Frequency-controlled RENNER RSF-PRO2-11 - (6 at 10 bar) oil-injected screw compressor Lodpfsd D Tg Esx Ancsaa Control: -Frequenzregelung -RENNERtronic -Reflex control (adjustable pressure range from 6 to 10 bar) Operating hours: 155 Pressure: 6 to 10 bar Rated power: 11 kW Delivery quantity: 2,04 m³ / min (at 6 bar) 1,82 m³/min (at 8 bar) 1,61 m³/min (at 10bar) Sound level: 68 dB (A) Compressed air outlet: G 3/4 " Dimensions length x width x height: 1078 x 687 x 1131 mm Weight: 373 kg Operating hours: 155 Bh

Condition: as good as new (ex-display), Year of construction: 2024, operating hours: 1 h, machine/vehicle number: 21572416, new and on stock RENNER oilfree SCROLL compressor 7.5 - 10 bar with controller RENNERtronic touch with integrated refrigerant dryer with automatic drain with 2 x 90 Liter tank with automatic drain Year of construction: 2024 The compressor is on stock and available immediately Pressure: 10 bar Rated power: 7.5 kW Delivery quantity: 755 l / min Sound level: 68 dB (A) Laedpfetzc Dfjx Ancea Compressed air outlet: 1/2 " Dimensions length x width x height: 1051 x 755 x 1462 mm Weight: 321 kg Visit our shop. We always have a large selection of new and used compressors in stock!

Condition: as good as new (ex-display), Year of construction: 2021, Exhibit: Lsdew Aal Sjpfx Ancjaa New screw compressor ALMIG BELT XP 4 - 10 bar (air-cooled) Bj. 2021 / AVAILABLE NOW! MA0113 Technical specifications Type: BELT XP 4 Operating pressure: 10 bar (ue) Delivery quantity, according to ISO 1217 Appendix C: 0.48 m³ / min Degree of protection / insulation class drive motor: IP 55 / ISO F Nominal power drive motor: 4 kW Operating voltage / frequency: 400/50 V / Hz Sound pressure level (DIN 45635 part 13): 62 dB (A) Length: 750 mm Width: 600 mm Height: 955 mm Weight: 201 kg Compressed air connection: G 1/2 " Visit our store. We always have a large selection of new and used compressors in stock!

Year of construction: 2022, operating hours: 11 h, condition: as good as new (ex-display), Screw compressor ALMIG BELT XP 6- 10 bar (air cooled) Controller: Aircontrol B Year 2022 / IMMEDIATELY AVAILABLE! Hours: 11 Lajdpfog Tdv Asx Ancoa Technical specifications Type: BELT XP 6 Operating pressure: 10 bar (ue) Delivery quantity, according to ISO 1217 Annex C: 0.68 m³ / min Degree of protection / insulation class drive motor: IP 55 / ISO F Rated power drive motor: 5,5 kW Operating voltage / frequency: 400/50 V / Hz Sound pressure level (DIN 45635 T.13): 67 dB (A) Length: 750 mm Width: 600 mm Height: 955 mm Weight: 217 kg Compressed air connection: G 1/2 "

Condition: as good as new (ex-display), Year of construction: 2024, operating hours: 7 h, machine/vehicle number: MA0036_S0053901, Screw compressor ALMIG BELT XP 8 - 10 bar (air cooled) Year 2024 / IMMEDIATELY AVAILABLE! Hours: 7 h Technical specifications Type: BELT XP 8 Operating pressure: 10 bar (ue) Delivery quantity, according to ISO 1217 Annex C: 0.99 m³ / min Degree of protection / insulation class drive motor: IP 55 / ISO F Rated power drive motor: 7,5 kW Operating voltage / frequency: 400/50 V / Hz Sound pressure level (DIN 45635 T.13): 63 dB (A) Length: 800 mm Width: 670 mm Leded S Dq Espfx Ancsaa Height: 1100 mm Weight: 274,5 kg Compressed air connection: G 3/4 "

Condition: as good as new (ex-display), Year of construction: 2021, machine/vehicle number: MA0120, screw compressor ALMIG BELT 30 with 10 bar Lajdpfx Anexd T Nwscea Aircontrol Basic control Year of construction: 2021 Operating hours: 0 h Technical specifications Type: BELT 30 Operating pressure: 10 bar (ue) Delivery quantity, according to ISO 1217 Appendix C: 4.12 m³ / min Degree of protection / insulation class drive motor: IP 55 / F Nominal power drive motor: 30 kW Operating voltage / frequency: 400/50 V / Hz Sound pressure level (DIN 45635 part 13): 76 dB (A) Length: 1270 mm Width: 890 mm Height: 1190 mm Weight: 560 kg Compressed air connection: G 1 1/2" Delivery time on request. Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: excellent (used), Year of construction: 2021, operating hours: 1,926 h, variable screw compressor ALMIG F-DRIVE 8 (5 to 13 bar) Cotroller: Aircontrol Premium Year of construction: 2021 Operating hours: 1926 Bh Technical specifications Type: F-Drive 8 Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0,16 to 1,32 m³/min at 6 bar (g): 0,20 to 1,27 m³/min at 7 bar (g) : 0,23 to 1,21 m³/min at 8 bar (g) : 0,27 to 1,16 m³/min at 9 bar (g) : 0,27 to 1,11 m³/min at 10 bar (g) : 0,31 to 1,05 m³/min at 11 bar (g) : 0,31 to 0,99 m³/min at 12 bar (g) : 0,33 to 0,95 m³/min at 13 bar (g) : 0,38 to 0,89 m³/min Nominal power drive motor: 7,5 kW Degree of protection / insulation class drive motor: IP 55 / ISO F Operating voltage / frequency: 400/50/3 V / Hz / ~ Compressed air connection: 3/4“ G Length: 660 mm Width: 690 mm Height: 1586 mm Lodpfxjuz T N He Ancoaa Weight: 356 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Condition: as good as new (ex-display), Year of construction: 2024, operating hours: 2 h, Immediately available: new variable screw compressor ALMIG F-DRIVE 22 (5 to 13 bar) Cotroller: Aircontrol Premium Year of construction: 2024 Operating hours: 2 Bh Technical specifications Type: F-Drive 22 Possible operating pressures of the system (continuously adjustable): 5 - 13 bar Delivery quantity at minimum / maximum speed, measured according to ISO 1217 Appendix C. at 5 bar (g): 0.44 / 4.14 m³ / min at 6 bar (g): 0.43 / 4.12 m³ / min at 7 bar (g): 0.42 / 4.11 m³ / min at 8 bar (g): 0.50 / 3.89 m³ / min at 9 bar (g): 0.58 / 3.66 m³ / min at 10 bar (g): 0.67 / 3.47 m³ / min at 11 bar (g): 0.75 / 3.26 m³ / min at 12 bar (g): 0.85 / 3.02 m³ / min Lasdpfx Astpw I Hjncja at 13 bar (g): 0.94 / 2.79 m³ / min Nominal power drive motor: 22 kW Degree of protection / insulation class drive motor: IP 55 / ISO F Operating voltage / frequency: 400/50/3 V / Hz / ~ Sound pressure level (DIN 45635 part 13): 70 dB(A) Compressed air connection: 1“ G Length: 790 mm Width: 800 mm Height: 1757 mm Weight: 356 kg Visit our store. We always have a large selection of new and used compressors in stock! Available immediately.

Year of construction: 2021, operating hours: 2,235 h, condition: used, used screwcompressor immediately available: variable RENNER RSF 250 D - (6 to 8 bar) frequency-controlled, direct-driven screw compressor with RENNERtronic control with REflex control - adjustable pressure range 6 to 8 bar Hours: 2235 h Pressure: 6 to 8 bar Nominal output: 250 kW Quantity delivered: at 6 bar: 12.13 to 49.30 m³ / min at 7 bar: 11.80 to 44.50 m³ / min Sound level: 84 dB (A) Compressed air outlet: DN 100 Dimensions length x width x height: 3663 x 2100 x 2338 mm Weight: 5530 kg Year: 2021 Visit our shop. Lasdpeh Rvpksfx Ancsa We always have a large selection of new and used compressors in stock! Immediately available.

Condition: as good as new (ex-display), Year of construction: 2025, operating hours: 1 h, functionality: fully functional, machine/vehicle number: 31524565, overall weight: 286 kg, available immediately: RENNER Riko 960/270 ST-KT piston compressor with galvanized 270 liter container Lajdpfx Anowhxluscea with refrigeration dryer and time-controlled condensate drain with star-delta starter with metal buffer set for compressed air tanks Technical data: Motor power: 5.5 kW Rated voltage: 400V Max. pressure: 10 bar Delivery quantity at 7 bar: 740 l/min Cylinder / Stages: 2/2 Sound level: 79 dB(A) Volume compressed air tank: 270 liters Dimensions L x W x H: 970 x 795 x 1880 mm Weight: 264 kg We always have a large selection of new and used compressors in stock! Available immediately.

Condition: new, Year of construction: 2025, Exhibit available immediately: New Kaeser SK 25 T - 10 bar screw compressor with integrated cold dryer Pressure: 10 bar Nominal power: 15 kW Delivery rate: 2.11m³ / min Laodpfx Ansdrc Txecoa Sound level: 67 dB (A) Compressed air outlet: 1 " Dimensions length x width x height: 750 x 1240 x 1260 mm Weight: 395 kg Operating hours: 0 Visit our store. We always have a large selection of new and used compressors in stock!

Year of construction: 2020, operating hours: 14,099 h, condition: excellent (used), machine/vehicle number: S0055742, used ALMIG Belt XP 22 - (8 bar) oil-injected screw compressor with integrated heat recovery with Aircontrol Premium controller Operating hours: 14099 Bh Ledpfx Aoix Aiysncoaa Pressure: 8 bar Rated power: 22 kW Delivery quantity: 3.70 m³ / min Sound level: 74 dB (A) Compressed air outlet: G 1 " Dimensions length x width x height: 1250 x 880 x 1515 mm Weight: 681 kg Visit our store we have a lot of used and new compressors on stock.

Condition: as good as new (ex-display), Year of construction: 2022, 7.5 kW screw compressor Almig (10 bar) Type: BELT 8 XP Year of construction: 2022 Operating pressure: 10 bar (ue) Delivery quantity at 10 bar (ue): 990 liters / min Installed motor power: 7.5 kW Protection class / insulation class drive motor: IP 55/ ISO F Lodpfx Ajw Aanysncsaa Operating voltage: 400V ~ 50 Hz Sound pressure level (EN ISO 2151): dB (A) 63 Compressed air connection: G 3/4 " Length: 800 mm Width: 670 mm Height: 1100 mm Weight: 275 kg Visit our shop. We always have a large selection of new and used compressors in stock!

Condition: excellent (used), Year of construction: 2004, operating hours: 114,000 h, overall weight: 4,400 kg, power: 250 kW (339.91 HP), volume flow: 2.802 m³/h, operating pressure: 10 bar, Regularly serviced, in excellent condition. Atlas Copco ZR250 Screw compressor, 10bar 46m3/min Oil-free, water-cooled. MD600 with adsorption dryer Compressor: Manufacturer: Atlas Copco Type: ZR 250 year of manufacture. 2004 loaded operating hours 114,000 Max. operating pressure: 10bar single-stage drive Cooling water consumption 3.7 liters/s Air delivery: 43.6m3/min Water cooled Oil free Power: 250 kW Mains voltage: 400v 50Hz 445A Ledpfx Aorp D Uxonceaa Last service: September 2023 Adsorption dryer, water-cooled Manufacturer: Atlas Copco Type: MD 600 W Year of construction: 2004 Max. operating pressure: 10.5 bar Empty volume: 350 liters machine dimensions: length: 3000mm width: 1600mm height: 2000mm weight: 4400 kg

Condition: excellent (used), Year of construction: 2008, operating hours: 87,000 h, functionality: fully functional, overall weight: 775 kg, total length: 1,770 mm, total width: 900 mm, total height: 1,530 mm, fuel type: electric, volume flow: 190 m³/h, operating pressure: 8 bar, pressure (max.): 10 bar, noise level: 68 dB, type of cooling: air, Equipment: refrigerant dryer, Manufacturer: Kaeser ASD 32T screw compressor + refrigerant dryer serviced throughout!!! complete documentation Year of construction: 2008 Nominal pressure: 8 bar air flow: 3.16 m3/min air flow: 189.6 /hour operating hours: Refrigeration dryer: ABT60 Lodpfoi E H Ikox Ancjaa Compressed air connection: G 1¼ Voltage: 400V/3PH, 36A Power: 18.5 kW engine speed: 2945/min Ambient temperature: 3 / 45°C machine weight: 745 machine dimensions: 1,770 x 900 x 1,530 mm

Condition: used, Year of construction: 2006, operating hours: 89,000 h, functionality: fully functional, power: 75 kW (101.97 HP), fuel type: diesel, type of cooling: air, Kaeser CSD 122 SFC screw compressor built-in inverter 2.2-10.5m3/min, 75kW, 8.5bar Manufacturer: Kaeser Type: CSD 122 SFC Year of manufacture: 2006 Lasdjt A Uyujpfx Ancsa Operating pressure: max 8.5bar Power: 75kW Capacity: 2.2 - 10.5 m3/min Operating hours: 96244 h (Last service: 88854 h) Inclusion dimensions: 1100 x 2200 x 1900 mm Net weight: 1600 kg

Condition: good (used), Year of construction: 2007, functionality: fully functional, cooling capacity: 605.5 kW (823.25 HP), type of input current: three-phase, overall weight: 4,375 kg, input voltage: 400 V, total width: 2,250 mm, total length: 5,250 mm, total height: 2,450 mm, AIRCOOLED CHILLER MCQUAY 605,5 KW Cooling capacity: 600 kW Year of manufacture: 2007 Options: with economizer Ledohx D Sbjpfx Ancsaa Heat exchanger: shell and tube Refrigerant circuit: 2 pcs. Compressors: 2 pcs. McQuay (screw) Type of refrigerant: R134a Number of fans: 10 pcs. Dimensions: 5.25 x 2.25 x 2.45 m Weight: 4 375 kg Condition: Used, tested, fully operational CONDITION, TESTING & READINESS The chiller / kaltwassersatz / undergoes seven stages of technical inspection and operational parameter verification. It is also tested at our own test station, with connection to water (or glycol) and adjustment of parameters according to your requirements. After testing, you will receive a detailed report with the operating performance and the overall condition of the chiller. The chiller / kaltwassersatz / is ready for transport and commissioning. Our engineers will assist you with cooling capacity calculations, selection of the appropriate cooling scheme, and configuration of the required equipment options. WARRANTY & SUPPORT The quality of the equipment is confirmed with a warranty ranging from 6 to 36 months. Our company can also offer: - refrigerant charging; - replacement of oil and filters; - technical support. LOGISTICS - Worldwide delivery available - Support with loading, export documentation, and logistics coordination Get a detailed consultation. Photos, videos, and a full testing report can be provided immediately upon request.

Condition: used, Fröling Turbomatic TMC – automatic wood chip boilers (35–110 kW) Several Fröling Turbomatic TMC units in stock – ready for immediate delivery. Output (kW) – Price (net) 35 kW – 5,000 EUR 55 kW – 6,000 EUR 70 kW – 7,000 EUR 85 kW – 8,000 EUR 110 kW – 10,000 EUR The Fröling Turbomatic is a fully automatic biomass boiler, suitable for wood chips, shavings and pellets. ✔ Fully automatic operation ✔ Heavy-duty industrial design ✔ High operational reliability The price already includes the feeding screw (dosing auger), which automatically transports the fuel directly into the combustion chamber. The complete extraction system (raumaustragung) is usually not included (available separately). 👉 For the 110 kW model, the complete extraction system is already included. ⸻ Key technical features: • Lambda-controlled combustion for optimal efficiency and low emissions  • Automatic grate with vibration and tipping function for self-cleaning operation  • Multi-pass heat exchanger with automatic cleaning (WOS system)  • Automatic ash removal system (combustion chamber + heat exchanger)  • Induced draught fan ensures safe operation even with poor chimney conditions  • Large refractory-lined combustion chamber for stable high-temperature combustion  Lodewakktopfx Anceaa ⸻ Additional benefits: • Modular system – easy installation • Individual drives → high system stability • Automatic adaptation to fuel quality and moisture ⸻ 📍 Location: Mosonmagyaróvár, Hungary 📦 Immediate availability

Condition: used, mileage: 475,592 km, power: 331 kW (450.03 HP), first registration: 06/2019, fuel type: diesel, empty load weight: 7,736 kg, maximum load weight: 10,264 kg, overall weight: 18,000 kg, axle configuration: 4x2, brakes: engine braking, driver cabin: sleeper cab, gearing type: automatic, emission class: euro6, number of seats: 2, Equipment: ABS, additional headlights, air conditioning, cabin, central locking, cooling unit, cruise control, differential lock, electronic stability program (ESP), fog lights, immobilizer system, onboard computer, parking heater, power assisted steering, seat heater, spoiler, * German vehicle * Condition as shown in the photos * Large fuel tank system with 875 liters * Air-suspended luxury driver’s cab * Space Cab * 2 beds * Air conditioning * Auxiliary heater * Refrigerator * Air-suspended orthopedic comfort seat * Heated seat * Electric windows * Electric roof hatch * Electric engine brake * Spoiler * Air horn * Stereo CD * Multifunction steering wheel * Cruise control * Differential lock * Jost fifth wheel * Leaf - air suspension with raise/lower function * Wheelbase 3.60 m * Gross vehicle weight (GVW): 18,000 kg * GVW of up to 20,500 kg possible without technical modifications * Unladen weight: 7,738 kg Lajdpfxoyhcb Eo Ancoa If a new TÜV inspection is required, we are happy to provide a quote from our partner workshops. Our offer is generally WITHOUT new TÜV inspection, WITHOUT new DGUV, WITHOUT new SP, and WITHOUT new UVV. You can find more trucks on our homepage at We speak the following languages: German, English, Polish, Turkish Note: We offer and highly recommend viewing and inspecting the goods to avoid any misunderstandings regarding their condition and suitability. Viewings and inspections are possible and expressly desired at any time by prior arrangement. All information provided without guarantee. We accept no liability for errors or incorrect details in the offer. The buyer is obliged to independently verify the condition and features of the goods/vehicles. Subject to change, prior sale, and errors.