| Engine Manufacturer/model | 3TNV88C |
| Engine power | Gross at 3,000 rpm, PS: 37.4 hp 27.5 kW |
| Fuel tank capacity | 12 U.S. gal. 45.4 L |
| Mower deck size | 60-in. (152-cm) 7Iron™ PRO side-discharge 72-in. (183-cm) 7Iron™ PRO side-discharge 60-in. (152-cm) FastBack™ PRO rear-discharge 72-in. (183-cm) FastBack™ PRO rear-discharge |
| Blade tip speed | 7Iron PRO: Approximately 18,000 fpm 60-in. (152-cm) FastBack: Approximately 15,000 fpm 72-in. (183-cm) FastBack: Approximately 17,000 fpm |
| Transmission | Hydrostatic |
| Speed range | 0-11.5 mph 0-18.5 km/h |
| Drive wheels | 26x12-12 square shoulder 4-ply turf, optional 26x12-12 Michelin® Tweel® turf tires |
| Caster wheels | 15x6-6 flat free |
| Warranty | 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months. |
| Manufacturer/Model | 3TNV88C |
| Power | Gross at 3,000 rpm, PS: 37.4 hp 27.5 kW |
| Displacement | 100.2 cu in. 1,642 cc |
| Cylinders | Three |
| Crankcase capacity | 3.8 U.S. qt 3.6 L |
| Oil filter | Full flow, replaceable, spin-on type |
| Lubrication | Full pressure |
| Cooling | Liquid |
| Air cleaner | Pre-cleaner Yes Heavy-duty canister, dry type with safety element and air-restriction indicator |
| Fuel type | Diesel or Biodiesel (up to B20) |
| Fuel tank capacity | 12 U.S. gal. 45.4 L |
| Fuel tank switch/shut-off valve | Yes |
| Charge system | 150 amp |
| Battery voltage | 12 V |
| Cold cranking amp | At 18 degrees C, 490 amp |
| Hour meter | Digital multi-function display |
| Operator presence starting system | Standard |
| Transmission | Hydrostatic |
| Wheel motors | Hydro-Gear HGM18L 17.8 cu in. 292 cc |
| Travel speed | Speed range 0-11.5 mph 0-18.5 km/h Forward 0-11.5 mph 0-18.5 km/h Reverse 0-5 mph 0-8 km/h |
| Speed and direction control | Zero turn |
| Hydraulic capacity | Tank capacity, 3.2 U.S. gal. 12.1 L |
| Hydraulic oil cooler | Yes |
| Filter | Spin-on Type |
| Warranty | 36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months. |
| Drive wheels | 26x12-12 square shoulder 4-ply turf, optional 26x12-12 Michelin Tweel turf tires |
| Rear tires | 26x12-12 square shoulder 4-ply turf, optional 26x12-12 Michelin Tweel turf tires |
| Load rating | 4PR |
| Dynamic braking | Dual hand controlled levers |
| Park brake | Internal wet disk integrated in the transmission |
| Park brake actuation | Automatic engagement when steering levers are outward |
| Type | Hydraulic clutch |
| Drive | Internal wet disk clutch |
| Size | 60-in. (152-cm) 7Iron™ PRO side-discharge 72-in. (183-cm) 7Iron™ PRO side-discharge 60-in. (152-cm) FastBack™ PRO rear-discharge 72-in. (183-cm) FastBack™ PRO rear-discharge |
| Deck construction | 7-Iron™ PRO: 7-gauge, 0.179-in. (4.6-mm) one-piece forged steel FastBack™ PRO: 7-gauge, 0.179-in. (4.6-mm) fabricated steel |
| Height-of-cut range | Increments 0.25 in. 0.64 cm 1-5.5 in. 2.5-14.0 cm |
| Cutting width | 60, 72 in. 152, 183 cm |
| Length | Varies by deck size |
| Thickness | 0.25 in. 0.64 cm |
| Blade tip speed | 7Iron PRO: Approximately 18,000 fpm 60-in. (152-cm) FastBack: Approximately 15,000 fpm 72-in. (183-cm) FastBack: Approximately 17,000 fpm |
| Number | Three |
| Caster wheel type | Flat free |
| Caster wheels | 15x6-6 |
| Front anti-scalp rollers | Left, center, right |
| Rear anti-scalp rollers | Left, center, right |
| Length | 60-in. (152-cm) side-discharge: 96 in. 244 cm |
| Width | With chute down, 74, 86 in. 188, 218 cm Rear discharge, 63.5, 75.8 in. 161.3, 192.5 cm |
| Height | With ROPs up, 77.3 in. 196 cm With ROPS down 50.9 in. 129 cm |
| Weight | 2180 to 2313 lb 989 to 1049 kg |
| Rollover protective structure (ROPS) | Yes |
| Slope operating limit | 17 degrees (material collection systems, weather enclosures, or other attachments increase the risk of a rollover) |
| Date collected | 1-Nov-2025 |
