Feldmann Power

Your Local Big Dog Mower & Small Engine Repair Shop

BIGDOG ALPHA MPX Residential Zero Turn Mower

Ideal for up to 3 Acres
  • 23hp & 24hp Briggs&Stratton Engines
  • 48″, 54″ & 60” decks
  • 7mph mowing speed
  • 7-year / 300 hour limited warranty

Ready to Lead

The Alpha MPX features 22" BigBite tires to handle tough jobs. A Briggs & Stratton Commercial series engine, bolstered high-back seat and a foot-operated deck lift are also included.

Specs

Deck size: 48″

ENGINE MANUFACTURER

Kawasaki FR691

ENGINE HORSEPOWER

23

TRANSMISSION

Hydro-Gear® ZT-3100

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

CUTTING WIDTH

48″

CUTTING HEIGHT

1.5″ to 4.5″

FRONT TIRE

13 x 5

DRIVE TIRE

22 x 9.5-10, BigBite

WARRANTY

7 Year/300 hour Limited

ENGINE MANUFACTURER

Kawasaki FR691

ENGINE HORSEPOWER

23

DISPLACEMENT

726cc

COOLING

Air Cooled

AIR CLEANER

 

ENGINE WARRANTY

3 Year Warranty

TYPE

Dual Hydrostatic

TRANSMISSION

Hydro-Gear® ZT-3100

HYDRAULIC LINES

 

RESERVOIR CAPACITY

 

HYDRAULIC COOLING

 

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

PARKING BRAKE

Patented Automatic

CUTTING WIDTH

48″

CUTTING HEIGHT

1.5″ to 4.5″

DECK DEPTH

5″

DECK LIFT

Foot Operated

NUMBER OF BLADES

3

BLADE LENGTH

16.50″

SPINDLES

Aluminum w/ 1″ steel shafts and sealed ball bearings

DECK ENGAGEMENT

Electric PTO Clutch

DECK MATERIAL

10 ga. fabricated steel

SPINDLE MOUNTS

11 ga. stamped spindle cans

IMPACT TRIM AREA

3/8″ x 1″ steel bar

FRAME

1.5″ X 3.25″ 7 ga. steel C-channel

ENGINE PLATE

 

OPERATOR PLATFORM

 

FRONT AXEL

Fabricated with sealed ball bearings

FRONT CASTER WHEEL

Commercial duty steel roller bearings

FRONT CASTER FORK

Fabricated 3/8″ steel

SEAT

Premium high back w/ armrests and suspension springs

CUP HOLDER

Yes

WARRANTY

7 Year/300 hour Limited

FRONT TIRE (INCHES)

13 x 5

DRIVE TIRE (INCHES)

22 x 9.5-10, BigBite

WEIGHT (LBS)

620

HEIGHT (INCHES)

42

LENGTH (INCHES)

73

WIDTH W/ CHUTE UP (INCHES)

49

TIRE-TO-TIRE WIDTH (INCHES)

43.8

PRODUCTIVITY (ACRES PER HOUR)

2.91

CATCHER STYLE

2-bag

POWERED / NON-POWERED

Non-powered

CATCHER CAPACITY

5.4 bushel

MOWER LENGTH W/ CATCHER

91.9″

MOWER WIDTH W/ CATCHER

59.3″

STYLE 2: CATCHER STYLE

 

STYLE 2: POWERED / NON-POWERED

 

STYLE 2: CATCHER CAPACITY

 

STYLE 2: MOWER LENGTH W/ CATCHER

 

STYLE 2: MOWER WIDTH W/ CATCHER

 

Deck size: 54″

ENGINE MANUFACTURER

Kawasaki FR691

ENGINE HORSEPOWER

23

TRANSMISSION

Hydro-Gear® ZT-3100

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

CUTTING WIDTH

54″

CUTTING HEIGHT

1.5″ to 4.5″

FRONT TIRE

13 x 6.5

DRIVE TIRE

22 x 11-10, BigBite

WARRANTY

7 Year/300 hour Limited

ENGINE MANUFACTURER

Kawasaki FR691

ENGINE HORSEPOWER

23

DISPLACEMENT

726cc

COOLING

Air Cooled

AIR CLEANER

 

ENGINE WARRANTY

3 Year Warranty

TYPE

Dual Hydrostatic

TRANSMISSION

Hydro-Gear® ZT-3100

HYDRAULIC LINES

 

RESERVOIR CAPACITY

 

HYDRAULIC COOLING

 

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

PARKING BRAKE

Patented Automatic

CUTTING WIDTH

54″

CUTTING HEIGHT

1.5″ to 4.5″

DECK DEPTH

5″

DECK LIFT

Foot Operated

NUMBER OF BLADES

3

BLADE LENGTH

18.50″

SPINDLES

Aluminum w/1″ shaft and sealed ball bearings

DECK ENGAGEMENT

Electric PTO Clutch

DECK MATERIAL

10 ga. fabricated steel

SPINDLE MOUNTS

11 ga. stamped spindle cans

IMPACT TRIM AREA

3/8″ x 1″ steel bar

FRAME

1.5″ X 3.25″ 7 ga. steel C-channel

ENGINE PLATE

 

OPERATOR PLATFORM

 

FRONT AXEL

Fabricated with sealed ball bearings

FRONT CASTER WHEEL

Commercial duty steel roller bearings

FRONT CASTER FORK

Fabricated 3/8″ steel

SEAT

Premium high back w/ armrests and suspension springs

CUP HOLDER

Yes

WARRANTY

7 Year/300 hour Limited

FRONT TIRE (INCHES)

13 x 6.5

DRIVE TIRE (INCHES)

22 x 11-10, BigBite

WEIGHT (LBS)

666

HEIGHT (INCHES)

42

LENGTH (INCHES)

73

WIDTH W/ CHUTE UP (INCHES)

55

TIRE-TO-TIRE WIDTH (INCHES)

47.7

PRODUCTIVITY (ACRES PER HOUR)

3.27

CATCHER STYLE

2-bag

POWERED / NON-POWERED

Non-powered

CATCHER CAPACITY

5.4 bushel

MOWER LENGTH W/ CATCHER

91.9″

MOWER WIDTH W/ CATCHER

65.3″

STYLE 2: CATCHER STYLE

 

STYLE 2: POWERED / NON-POWERED

 

STYLE 2: CATCHER CAPACITY

 

STYLE 2: MOWER LENGTH W/ CATCHER

 

STYLE 2: MOWER WIDTH W/ CATCHER

 

Deck size: 60″

ENGINE MANUFACTURER

Kawasaki FR730

ENGINE HORSEPOWER

24

TRANSMISSION

Hydro-Gear® ZT-3100

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

CUTTING WIDTH

60″

CUTTING HEIGHT

1.5″ to 4.5″

FRONT TIRE

13 x 6.5

DRIVE TIRE

22 x 11-10, BigBite

WARRANTY

7 Year/300 hour Limited

ENGINE MANUFACTURER

Kawasaki FR730

ENGINE HORSEPOWER

24

DISPLACEMENT

726cc

COOLING

Air Cooled

AIR CLEANER

 

ENGINE WARRANTY

3 Year Warranty

TYPE

Dual Hydrostatic

TRANSMISSION

Hydro-Gear® ZT-3100

HYDRAULIC LINES

 

RESERVOIR CAPACITY

 

HYDRAULIC COOLING

 

FUEL CAPACITY

3 gal.

GROUND SPEED (FWD)

Up to 7 mph

PARKING BRAKE

Patented Automatic

CUTTING WIDTH

60″

CUTTING HEIGHT

1.5″ to 4.5″

DECK DEPTH

5″

DECK LIFT

Foot Operated

NUMBER OF BLADES

3

BLADE LENGTH

20.50″

SPINDLES

Aluminum w/1″ steel shaft and sealed ball bearings

DECK ENGAGEMENT

Electric PTO Clutch

DECK MATERIAL

10 ga. fabricated steel

SPINDLE MOUNTS

11 ga. stamped spindle cans

IMPACT TRIM AREA

3/8″ x 1″ steel bar

FRAME

1.5″ X 3.25″ 7 ga. steel C-channel

ENGINE PLATE

 

OPERATOR PLATFORM

 

FRONT AXEL

Fabricated with sealed ball bearings

FRONT CASTER WHEEL

Commercial duty steel roller bearings

FRONT CASTER FORK

Fabricated 3/8″ steel

SEAT

Premium high back w/ armrests and suspension springs

CUP HOLDER

Yes

WARRANTY

7 Year/300 hour Limited

FRONT TIRE (INCHES)

13 x 6.5

DRIVE TIRE (INCHES)

22 x 11-10, BigBite

WEIGHT (LBS)

671

HEIGHT (INCHES)

44

LENGTH (INCHES)

73

WIDTH W/ CHUTE UP (INCHES)

61

TIRE-TO-TIRE WIDTH (INCHES)

47.7

PRODUCTIVITY (ACRES PER HOUR)

3.64

CATCHER STYLE

2-bag

POWERED / NON-POWERED

Non-powered

CATCHER CAPACITY

5.4 bushel

MOWER LENGTH W/ CATCHER

91.9″

MOWER WIDTH W/ CATCHER

71.4″

STYLE 2: CATCHER STYLE

 

STYLE 2: POWERED / NON-POWERED

 

STYLE 2: CATCHER CAPACITY

 

STYLE 2: MOWER LENGTH W/ CATCHER

 

STYLE 2: MOWER WIDTH W/ CATCHER

 

Features

Welded Steel Deck

Heavy-duty design for unmatched durability. Up to 60” deck sizes available.

High-back Seat

Premium extra high back seat with armrests and suspension springs

22" Big Bite Tires

More aggressive tire to handle tough jobs.

Accessories

Mesh Side Bagger

Easy-on, easy-off bagger has a 3-bushel capacity.

2-Bag Non-Powered Bagger

Easy-on, easy-off hopper assemblies. The bagger holds 5.4 bushels.

Metal Side Bagger

Easy-on, easy-off bagger has a 3.5 bushel capacity.

Flex Forks®

Shock-absorbing front caster forks improve operator comfort and provide a more even cut, especially over uneven terrain and at higher speeds.

Mulch Kit

Recycle clippings back into the soil and reclaim nutrients for your lawn.

Steering Lever Extension Kit

Allows height adjustment of steering levers to make your mowing experience as comfortable as possible.

High Vacuum Deck Kit

Improves vacuum and cut quality while reducing blowout in thin/dry grass conditions.

Stripe Kit

Helps provide a professional manicured finish to your lawn.

Always On LED Lights

Extend your productivity into the late hours with our optional light kit.

Offers & Programs Available

BigDog® Heroes Program

Heroes Receive Discount Off Current Promo Price

Those who qualify:

  • Members and veterans of each branch of the U.S. Armed Forces
  • All active and retired firefighters, law enforcement, paramedics and EMTs

$150 Off Promo Price
Product(s)- Rex, Rex MP, Alpha, Alpha MP, Alpha MPX, BlackJack
$250 Off Promo Price
Product(s)- Stout, Stout MP, Hike
$500 Off Promo Price
Product(s)- Diablo, Diablo MP, Trooper
TERMS & CONDITIONS

Eligible Customers:

  • All active military members of the US Armed Forces (US Army, US Navy, US Air Force, US Marine Corps, US Coast Guard, and National Guard)
  • US Military Veterans
  • Active and retired Police Officers, Firefighters, Paramedics, and EMT (Emergency Medical Technicians)

Must provide valid military ID showing active and/or veteran status, and proof of employment with the police, firefighter, or EMT/Paramedics.


Eligible Products: All new or unused mowers.

*Only valid at time of purchase at participating dealers. Heroes Discount can’t be combined with any other discount offers.

We’ll be glad to offer your personable service to ensure you are fully informed before making your purchase. Please complete the form below.

Retail Financing

BigDog® proudly offers the following retail finance plans.