Spener Trailers Inc.

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** Hello Trailer Fans! Starting 10/26-12/31 The Diamond C Rebate Program is here! You can save up to $500-$1500 off select Diamond C models why products last** 812-829-0226

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    Diamond C Gooseneck Engineered Beam

    engineered beam
    engineered beam

    Diamond C is forging a new era in flatbed gooseneck and Pintle Hook trailers with the Fleetneck Engineered Beam series. They design, engineer, and optimize our own U.S. Patent Protected ENGINEERED I-BEAMS to fit each Fleetneck model. Fleetnecks are stronger yet lighter, featuring the best strength-to-weight ratios of any steel frame gooseneck trailer on the road – the perfect HOT SHOT TRAILER! Highlighted options include our industry best 12′ Hydraulic Dovetail, 44″ Wide Max Ramps, Air Ride Suspension, Sway Control, Hydraulic Jacks, Blackwood Lumber Flooring, and up to 44′ length and 40K GVWR on select models.

    FMAX 207   FMAX 208   FMAX 210   FMAX 212

    • Showing 1-15 of 18 items
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    2023 Diamond C FMAX210  102″x 32′  25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270455

    2023 Diamond C FMAX210 102″x 32′ 25k Tandem Axle Gooseneck Equipment Trailer With MAX Ramps Stock #270455

    Price: $21,995.00 | For sale in Spencer, IN

    102" Wide 32' Long (27' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath ....

    Stock #: 270455

    2023 Diamond C FMAX208 SD 102″x 32′  16k Tandem Axle GooseNeck Equipment Trailer Stock #270842

    2023 Diamond C FMAX208 SD 102″x 32′ 16k Tandem Axle GooseNeck Equipment Trailer Stock #270842

    Price: $20,950.00 | For sale in Spencer, IN

    102" Wide 32' Long (Straight Deck) 2- 8000 lb Straight Axles with Oil Bath Hubs 18000 lb GVWR 25k Bu....

    Stock #: 270842

    2023 Diamond C FMAX212  102″x 30′  25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #273304

    2023 Diamond C FMAX212 102″x 30′ 25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #273304

    Price: $25,600.00 | For sale in Spencer, IN

    102" Wide 30' Long ( 25' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 12000 lb Axles with Oil Bath....

    Stock #: 273304

    2023 Diamond C FMAX212  102″x 40′  25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #275652

    2023 Diamond C FMAX212 102″x 40′ 25.9k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #275652

    Price: $33,950.00 | For sale in Spencer, IN

    102" Wide 40' Long (35' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 12000 lb Axles with Oil Bath ....

    Stock #: 275652

    2023 Diamond C  FMAX212 HDT  102″x 40′  25.9k Tandem Axle GooseNeck Equipment Trailer Stock #276963

    2023 Diamond C FMAX212 HDT 102″x 40′ 25.9k Tandem Axle GooseNeck Equipment Trailer Stock #276963

    Price: $36,900.00 | For sale in Spencer, IN

    102" Wide 40' Long (28' + 12' Dovetail) 2- 12000 lb Axles with Oil Bath Hubs 25900 LB GVWR Heavy Dut....

    Stock #: 276963

    2023 Diamond C  FMAX210  102″x 25′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277104

    2023 Diamond C FMAX210 102″x 25′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277104

    Price: $19,250.00 | For sale in Spencer, IN

    102" Wide 25' Long (20' + 5' Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath ....

    Stock #: 277104

    2023 Diamond C FMAX210  102″x 30′   25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277106

    2023 Diamond C FMAX210 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277106

    Price: $20,500.00 | For sale in Spencer, IN

    102″ Wide 30′ Long (25′ + 5′ Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with O....

    Stock #: 277106

    2023 Diamond C  FMAX210  102″x 25′  25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277105

    2023 Diamond C FMAX210 102″x 25′ 25k Tandem Axle GooseNeck Equipment Trailer With MAX Ramps Stock #277105

    Price: $19,250.00 | For sale in Spencer, IN

    102" Wide 25' Long (20' + 5'Self-Cleaning Dovetail with MAX Ramps) 2- 10000 lb Axles with Oil Bath H....

    Stock #: 277105

    2024  Diamond C  FMAX210 HDT  102″x 30′  25k Tandem Axle GooseNeck Equipment Trailer Stock #280327

    2024 Diamond C FMAX210 HDT 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #280327

    Price: $25,250.00 | For sale in Spencer, IN

    102" Wide 30' Long (18' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 25000 lb GVWR 2- 20000 ....

    Stock #: 280327

    2024 Diamond C  FMAX210  HDT  102″x 30′  25k Tandem Axle GooseNeck Equipment Trailer Stock #280551

    2024 Diamond C FMAX210 HDT 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #280551

    Price: $25,250.00 | For sale in Spencer, IN

    102" Wide 30' Long (18' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 25000 lb GVWR 2- 20000 ....

    Stock #: 280551

    2024 Diamond C  FMAX207 HDT  102″x 30′  14.9k Tandem Axle GooseNeck Equipment Trailer Stock #281236

    2024 Diamond C FMAX207 HDT 102″x 30′ 14.9k Tandem Axle GooseNeck Equipment Trailer Stock #281236

    Price: $19,250.00 | For sale in Spencer, IN

    102" Wide 30' Long (18' + 12' Dovetail) 2- 7000 Axles with EZ Lube Hubs 14900 lb GVWR 2- 12000 lb Dr....

    Stock #: 281236

    2024 Diamond C GTF206L  83″x 22′   9.8k Tandem Axle Single Car Hauler Trailer Stock #279908

    2024 Diamond C GTF206L 83″x 22′ 9.8k Tandem Axle Single Car Hauler Trailer Stock #279908

    Price: $7,950.00 | For sale in Spencer, IN

    83" Wide 22' Long (20' + 2' Diamond Plate Dovetail) 2- 6000 lb Axles with EZ Lube Hubs 9890 lb GVWR ....

    Stock #: 279908

    2024 Diamond C FMAX210 HDT  102″x 35′  25k Tandem Axle GooseNeck Equipment Trailer Stock #280768

    2024 Diamond C FMAX210 HDT 102″x 35′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #280768

    Price: $26,250.00 | For sale in Spencer, IN

    102" Wide 35' Long (23' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 25000 lb GVWR 2- 20000 ....

    Stock #: 280768

    2024 Diamond C  FMAX210 HDT  102″x 30′  25k Tandem Axle GooseNeck Equipment Trailer Stock #280769

    2024 Diamond C FMAX210 HDT 102″x 30′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #280769

    Price: $25,600.00 | For sale in Spencer, IN

    102" Wide 30' Long (18' + 12' Dovetail with Full Steel Runner with Cleats) 2- 10000 lb Axles with Oi....

    Stock #: 280769

    2024 Diamond C  FMAX210 HDT  102″x 32′  25k Tandem Axle GooseNeck Equipment Trailer Stock #280697

    2024 Diamond C FMAX210 HDT 102″x 32′ 25k Tandem Axle GooseNeck Equipment Trailer Stock #280697

    Price: $25,500.00 | For sale in Spencer, IN

    102" Wide 32' Long (20' + 12' Dovetail) 2- 10000 lb Axles with Oil Bath Hubs 25000 lb GVWR 2- 20000 ....

    Stock #: 280697

    • Showing 1-15 of 18 items
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