John Deere RX73 lawn tractor

John Deere RX73

Power

9 hp

Production

1987-1990

Transmission

Mechanical variable transmission

Weight

380 lbs [172 kg]

Drive

2WD

From the same series:

RX63
RX75

Introduction

John Deere RX73 Riding Lawn Mower

The John Deere RX73 is a riding lawn mower produced between 1987 and 1990. Designed for residential lawn maintenance, this model is characterized by its compact dimensions and mechanical simplicity.

Engine and Powertrain

The machine is equipped with an air-cooled, vertical-shaft engine producing 9 horsepower (6.7 kW) from a 290 cc displacement. Maintenance requirements include an oil capacity of 1.1 liters with recommended changes every 50 hours of operation. The engine features a manual recoil starter, a dry element air cleaner, and uses a Champion RN11YC spark plug with a gap of 0.762 mm.

Transmission and PTO

The RX73 utilizes a mechanical variable transmission providing 7 forward gears and 1 reverse gear, allowing the operator to adjust ground speed according to mowing conditions. It features an independent mid-mounted power take-off (PTO) system driven by a pulley, which is engaged via a mechanical clutch.

Mechanical and Chassis

Built on a two-wheel drive chassis, the tractor features manual steering and a disc braking system. The mower is fitted with 11x4.00-5 front tires and 16x6.50-8 rear tires, specifically designed for lawn and turf applications to minimize surface damage.

Dimensions and Capacity

The tractor has a wheelbase of 106 cm, a total length of 154 cm, and a width of 66 cm. With a total weight of 172 kg and an open operator station, it is designed for maneuverability in confined spaces. The unit is equipped with a 30-inch mower deck.

Conclusion

The John Deere RX73 is a lightweight, entry-level mower suited for standard lawn care tasks. Its mechanical configuration and compact footprint make it an appropriate choice for residential property maintenance where maneuverability is prioritized.

Production Information of John Deere, RX73

  • Riding lawn mower
  • Original price was $1,550 in 1990
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, RX73

Wheelbase42 inches [106 cm]
Weight380 lbs [172 kg]
Height39 inches [99 cm]
Length61 inches [154 cm]
Width26 inches [66 cm]
Lawn/turf front11x4.00-5
Lawn/turf rear16x6.50-8

Engine Specifications of John Deere, RX73

  • Air-cooled vertical-shaft
Sparkplug gap0.030 inches [0.762 mm]
Displacement290 cc [17.7 ci]
Oil capacity1.2 qts [1.1 L]
Air cleanerDry element
Bore/Stroke3.07x2.36 inches [78 x 60 mm]
Oil change50 h
SparkplugChampion RN11YC
Starter typeManual recoil
Power (gross)9 hp [6.7 kW]

Transmission Information of John Deere, RX73

Transmission variants 1

TypeMechanical variable transmission
Gears7 forward and 1 reverse

Mechanical Specs of John Deere, RX73

  • Two-wheel drive
  • Open operator station
  • Disc brakes
SteeringManual

Power Information of John Deere, RX73

Mid PTOIndependent
ClutchMechanical
Mid PTO TypePulley

Where it sits

With 9 HP, the John Deere RX73 sits just above R70 (8 HP) in John Deere's range. Its power puts it in the 19th percentile of 1980s models in our database (977 machines).

Frequently asked questions

How much horsepower does the John Deere RX73 have?

The John Deere RX73 delivers 9 HP.

What years was the John Deere RX73 produced?

The John Deere RX73 was produced in 1987-1990.

What transmission does the John Deere RX73 use?

The John Deere RX73 uses a Mechanical variable transmission transmission.

How much does the John Deere RX73 weigh?

The John Deere RX73 weighs 380 lbs [172 kg].

Is the John Deere RX73 4WD?

The John Deere RX73 is available in 2WD.

Compare the John Deere RX73 with another model