John Deere 9RX 770

Specifications, maintenance, parts and compatibility reference.

Specification set: United States - Current 9RX high-horsepower fixed-frame four-track tractor - cab Current high-horsepower 9RX generation uses the JD18 18 L engine and e21 transmission. Stored separately from the 9RX 490-640 generation.

Machine Configuration

Operator stationCab

Wheel or track configuration4-Track

Drive type4WD tracked

Engine

Engine manufacturerJohn Deere

Engine displacement18 L

Engine modelJD18

Engine horsepower770 hp

Cylinders6

Maximum engine power847 hp

AspirationDual turbochargers in series; fixed-displacement primary and wastegated secondary, air-to-air aftercooling and cooled EGR

Rated engine speed1900 rpm

Emissions certificationFinal Tier 4 / Stage V; diesel-only aftertreatment with no DEF

Seeding Hydraulic Intelligent Power Management boost40 hp

Transmission

TransmissionJohn Deere e21 21-speed PowerShift; 21F/11R with Efficiency Manager

PTO

PTO power335 hp

Hydraulics

Standard hydraulic pump output56 gpm

Optional hydraulic pump output168 gpm

Compatible parts & kits

This source-backed list can include maintenance parts, mounting hardware and accessory kits. Serial-number and machine-configuration restrictions may still apply, so review each part page before ordering or installing.

TA17748Primary Air Filter ElementAir Filters →TA17749Secondary Air Filter ElementAir Filters →RE593819Cab Recirculation Air FilterCabin Air Filters →TA32591Cab Fresh Air FilterCabin Air Filters →DZ124765Primary Fuel FilterFuel Filters →DZ124786Secondary Fuel FilterFuel Filters →TA27886Hydraulic Oil Filter ElementHydraulic Filters →

Sources

John Deere · official sourceJohn Deere official 9RX 710, 770 and 830 specifications

John Deere · official sourceJohn Deere US 9RX high-horsepower current product page