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2025 Spartan Mowers RT-HD 72" Big Block Vanguard, 37 HP

New Spartan Mowers RT HD 72" Zero Turn Mower, 37 HP, Big Block Vanguard EFI Engine, 72" Cut, Fabricated Deck, & More! 3 Year / 500 Hour Homeowner Full Warranty! Call For More Details!
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New 2025 Model!
  • New
  • Any Location
  • Lawn Mower
  • Zero-Turn Mower

2025 Spartan Mowers RT-HD 72" Big Block Vanguard, 37 HP

Features may include:

Parking Brake Pedals
  • Another feature that helps you maintain control is the foot-controlled on and off parking brake, which allows you to keep both hands on the control levers. *Standard on the RZ, RT, SRT, and KGZ series.
12V Outlet
  • Not only a place for your phone, but a way to charge it or to power other 12V items. *Standard on RZ-C models and up. Storage pocket not included on RZ models.
Enhanced XTF Deck System
  • Our Xtreme Turf Flow (XTF) decks have been redesigned and enhanced to meet the spring, summer, and fall mowing conditions everywhere. This enhanced deck system is available on all models from the Defender up.
Vibration Controlled Deck
  • Standard on all RZ-C models and up, the vibration controlled deck system with a one-piece idler puller and shock absorber eliminates belt whip and reduces vibration.
Hillside / Traction
  • Spartan Mowers has engineered superior technology that combines perfect balance with superb incline control for a smoother, safer ride. Take it on an incline and feel the difference. *Industry standard does not recommend mowing on inclines over 15 degrees.
High Quality Parts
  • Commercial-grade DNA is a key characteristic of Spartan Mowers, so our models feature the same heavy-duty components across the lineup.
Design & Style
  • Our passion for muscle cars from the late '60s has fueled the design of Spartan Mowers. Mow in style and turn heads with the stealthy profile of a Spartan.
LED Light Kits
  • Mounted directly to the front of the mower, an LED light bar is great for finishing up at dusk and lighting the way to your trailer or shed. Light bars are standard on Spartan's RZ-HD Blackout, RT-HD, SRT series, KG-XD, and KGZ-XD models. *Available upgrade on RZ-C, RZ, RZ-Pro, and RZ-HD.
Anti-Slip Mat
  • All models are equipped with a rubber anti-slip foot mat that helps reduce vibration from the transmission to the operator’s foot.
Spring Suspension
  • SRT models have rear traction enhancing custom Winamac spring suspension for better grip and a smoother ride. This allows the radial tires to follow the contour of the riding surface.
Rear Radial Tires
  • Both RZ-HD models, the RT-HD, and up feature exclusive radial tires that provide a smoother ride and increased traction. Challenge our ride against others out there and you’ll feel it for yourself. *RZ-C, RZ, and RZ-Pro not included.
7-Gauge Steel Decks
  • Defender models and up feature heavy-duty decks fabricated from 7-gauge steel. Check out the competition and see the difference for yourself.
  • Any Location
  • New
  • 2025
  • Spartan Mowers
  • RT-HD 72" Big Block Vanguard, 37 HP
  • Lawn Mower
  • Zero-Turn Mower
  • Big Block Vanguard EFI
  • Vanguard Big Block EFI
  • 37 hp
  • Key Switch
  • Drive Torque: Continuous - 262 ft-lb | Max Torque - 406 ft-lb
  • Parker HTJ Transaxles - 12cc Drive Motors
  • Levers: Soft-Touch Knobs to Adjust Forward and Back. Adjustable Up and Down
  • Foot Operated
  • 72" - 24x12-R12 Radial | Steel
  • 13x6.5-R6 Radial
  • 12v Outlet Next to Phone Holder
  • Forward - Up to 11mph | Reverse - Up to 5mph
  • 1.5" by 3" Powder Coated Fusion-Bonded Solid Steel Bridge Frame
  • Deck: 72” | Hitch: 2” Rear Receiver Standard
  • 6" Deep, Reinforced 7 Gauge Full-Floating Deck
  • 75" with ROPS Up - 54" with Folding ROPS Down | Cut: Quick Adjust Dial from 1" to 5" with 15
  • 73.5"
  • 84"
  • 9.5 gal.
  • 1172 lbs.
  • Full Suspension Seat with Adjustable TecsPak Elastomer supports and 360 degree Floating Seat Platform
  • Cast Aluminum, No Maintenance/Sealed Bearings
  • Acreage: 4+ | Hydro Drive Maintenance: 1000 Hours Between Oil Changes | Control Panel Lcd Display: Engine Hour Meter - Mower Deck Hour Meter - Tachometer - Low Level Warning Volt Meter - Time between Oil Change Countdown - Fault Codes | Control Panel Led Warning Indicators: Parking Brake Set - Drive Levers - Operator Present - PTO - Low/Hi Battery Volts - Low Oil PSI | Auxiliary Power: 12v Outlet Next to Phone Holder | Deck Lift: Foot Operated with Shock Assist | Deck Adjustment: Change-On-The-Go Precision Deck Height Dial | Storage: Phone Holder, Cup Holder, and Deep Storage Tray
  • Full Warranty: 2 Year / Unlimited Hour Commercial - 120 Day Belt Warranty | Engine Warranty: 3 Year | Deck Warranty: Lifetime on the leading edge | Hydraulic Drive Warranty: 3 Year / 1500 Hour

Get an Estimate for Your Payment

  • Estimated Payment
  • Calculation is estimate only.

Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.