1 - 16 of 16 Listings
High/Low/Average
Number of Rows: 18
Row Spacing: 20 in
Serial Number: 021517182
Condition: Used
Description: 2017 Clarke CM1820 Corn Head, 18 Rows 20" Spacing, Dual Small 1000 PTO Drive, Poly Snouts, (3) HEADSIGHT Height Sensors, Hydraulic Deck Plates, *Th...
Updated: Wednesday, May 06, 2026 03:20 PM
Location: Hiawatha, Kansas
Seller: Big Iron
Condition: Used
Stock Number: 43
Description: Clarke 1820 Corn Head w/JD 90 Series Row Units, Case IH Rollers (replaced 2 years ago), JD Deck Plates (replaced 2 years ago), Row Sense, Header ...
Updated: Tuesday, August 26, 2025 11:13 AM
Location: Aberdeen, South Dakota
Seller: Jark/Worlie Auction
Number of Rows: 18
Row Spacing: 20 in
Serial Number: 28730N
Condition: Used
Description: Clarke 1820 Corn Head, Seller Asset Number 28730N, 18 Rows, 20” Spacing, Poly Snouts, Some Loose Wires Pulled From Harness, SN: 28730N
Updated: Thursday, November 14, 2024 08:21 AM
Location: Mandan, North Dakota
Seller: Big Iron
Number of Rows: 18
Row Spacing: 20 in
Serial Number: 0807071820
Condition: Used
Stock Number: 28729N
Description: Call For Availability & Updated Meter Readings - Meter Readings Are Estimates Only, Economy 18 Row Header, Completely Functional, Stored Inside, 18...
Updated: Wednesday, October 23, 2024 01:20 PM
Location: Mandan, North Dakota
Seller: Plains Ag
Number of Rows: 18
Row Spacing: 20 in
Rolls: Knife
Serial Number: 1024051820
Condition: Used
Stock Number: Clark Machine
Description: Nice JD / Clark Machine 18 row 20" spacing corn head,
Calmer knife rolls, good condition
Clark head Clark poly
Headsight height sensors
John ...
Updated: Friday, September 27, 2024 06:19 PM
Location: Highmore, South Dakota
Seller: Henry Sales
Number of Rows: 18
Row Spacing: 20 in
Cutting Width: 28 ft
Serial Number: 0715131820
Condition: Used
Description: Clarke CM1820HD 30’ 18 Row Corn Head, 30' Wide, 18 Rows, 20” Spacing, NOTE: There Are 20 Reel Chains Missing From Header, Missing Drive Line Right...
Updated: Friday, August 09, 2024 11:26 AM
Location: Sunray, Texas
Seller: Big Iron
Number of Rows: 18
Row Spacing: 20 in
Serial Number: 0106161820
Condition: Used
Description: Clarke Machine 1820HB 18R20 Corn Head, Double Shaft Drive, Headsight By Insight, Single Point Hookup, SN: 0106161820
Updated: Friday, February 16, 2024 07:16 AM
Location: Orchard, Nebraska
Seller: Big Iron
Number of Rows: 18
Row Spacing: 20 in
Serial Number: X901366
Condition: Used
Description: non-chopping corn head, 18x20", GVL poly snouts
Updated: Thursday, February 15, 2024 05:47 PM
Location: Aberdeen, South Dakota
Seller: Steffes Group, Inc - West Fargo
Number of Rows: 18
Serial Number: UNKNOWN
Condition: Used
Stock Number: 158
Description: Clarke 18 Row - 20" Corn Head - Clarke Frame - JD Row Units. Nice Header, Great Head, Seller Is Just Switching To 30” Spacing, To View/ Info: Rasha...
Updated: Monday, July 28, 2025 04:56 PM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service
Number of Rows: 18
Row Spacing: 20 in
Cutting Width: 30 ft
Serial Number: 0715131820
Condition: Used
Description: Clarke 1820 18 Row Corn Head, 30' Wide, Full Finger Auger, 18 Rows, 20" Spacing, Kelderman Down Corn Reel. 4 Extra Arms (2) Left (2) Right. Arm Len...
Updated: Sunday, February 11, 2024 11:17 AM
Location: Sunray, Texas
Seller: Big Iron
Number of Rows: 18
Row Spacing: 20 in
Condition: Used
Description: Clarke 907 18R20 Row Crop Header, Poly Snouts, Horizon By Headsight Header Height Controller With 5 Sensors, Lankota 4 Row Stalk Stompers, Single P...
Updated: Sunday, February 11, 2024 09:49 AM
Location: Oxford, Iowa
Seller: Big Iron
Serial Number: 921101820
Condition: Used
Stock Number: 18
Description: Clarke Machine Inc. 1820, 18R 20” Corn Head, Poly Snout, Row Sense, Header Height Control, Adjustable Hydraulic, Deck Plates, (Head #2) Ser. #09211...
Updated: Sunday, February 11, 2024 07:50 AM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service
Serial Number: 1001111820
Condition: Used
Stock Number: 17
Description: Clarke Machine Inc. 1820, 18R 20” Corn Head, Poly Snout, Row Sense, Header Height Control, Adjustable Hydraulic, Deck Plates, (Head #1) Ser. # 1001...
Updated: Sunday, February 11, 2024 07:50 AM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service
Number of Rows: 18
Row Spacing: 20 in
Serial Number: UNKNOWN
Condition: Used
Stock Number: 281
Description: Clark Mfg. 1820 18R20" Corn Head, Little Use, View/Info: Ross: (701) 261- 0489 Located: Ashley ND Quantity: 1
Updated: Monday, April 15, 2024 10:08 AM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service
Number of Rows: 18
Row Spacing: 20 in
Serial Number: UNKNOWN
Condition: Used
Stock Number: 239
Description: Clark Machine 30” corn head mo.1820 w/20” spacing. Ser#0921101820, View/Info: Shawn (701) 471- 1600 Located: Napoleon, ND Quantity: 1
Updated: Monday, April 15, 2024 09:14 AM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service
Number of Rows: 18
Row Spacing: 20 in
Serial Number: UNKNOWN
Condition: Used
Stock Number: 253
Description: Clark Machine 30” corn head mo. 1820 w/20” spacing. Ser# 0915101820, View/Info: Shawn (701) 471- 1600 Located: Napoleon, ND Quantity: 1
Updated: Monday, April 15, 2024 10:29 AM
Location: Ashley, North Dakota
Seller: Ulmer Auction Service