Power: 23 hp Date of manufacture : 1989 - 1998
Production Distributor: John Deere Manufacturer: Yanmar Type: Compact Utility tractor Factory: Japan Original price: $13,000 (1998 ) John Deere 770 Power Engine (net): 23 hp 17.2 kW PTO (claimed): 20 hp 14.9 kW John Deere 770 Engine Mechanical Chassis: 4x2 2WD   4x4 MFWD 4WD Final drives: spur gear Differential lock: mechanical rear Steering: manual Steering: power*Optional Brakes: dry shoe Cab: Two-post ROPS. Transmission: 8-speed unsynchronized gear Photos John Deere 770 photos... Capacity Fuel: 6.3 gal 23.8 L Hydraulic system: 4 gal 15.1 L Front axle: 3.2 qts 3.0 L Hydraulics Type: open center Capacity: 4 gal 15.1 L Pressure: 2050 psi 141.3 bar Rear valves: 2*Optional Mid valves: 2*Optional Pump flow: 5.6 gpm 21.2 lpm Total flow: 5.6 gpm 21.2 lpm (manual steering)   9.9 gpm 37.5 lpm (power steering) Steering flow: 4.3 gpm 16.3 lpm Tractor hitch Rear Type: I Control: position control Rear lift (at 24"/610mm): 815 lbs 369 kg Power Take-off (PTO) Rear PTO: transmission   live*Optional Rear RPM: 540 Engine RPM: 540@2600 Mid PTO: live*Optional Mid RPM: 2100 Engine RPM: 2100@2600 Dimensions & Tires Wheelbase: 61 inches 154 cm Weight: 1930 to 2105 pounds Front tire: 4.00-15 2WD Rear tire: 9.5-24 770 Serial Numbers Location: Serial number plate above the PTO shaft on the John Deere 770. photo of 770 serial number 1989: 1001 1990: 4111 1991: 100001 1992: 115001 1993: 120001 1994: 130001 1995: 140001 1996: 150001 1997: 160001 1998: 170001 how to read serial numbers... Electrical Ground: negative Charging system: alternator Charging amps: 20 Battery CCA: 447 Battery volts: 12

John Deere 730	Power: 65 hp[P]	Date of manufacture : 1958 - 1961

John Deere 730	Power: 65 hp[P]	Date of manufacture : 1961 - 1971

John Deere 750	Power: 20 hp	Date of manufacture : 1981 - 1988

John Deere 755	Power: 20 hp	Date of manufacture : 1986 - 1998

John Deere 770	Power: 23 hp	Date of manufacture : 1989 - 1998

John Deere 790	Power: 30 hp	Date of manufacture : 2000 - 2007

John Deere 818	Power: 58 hp	Date of manufacture : 1966 - 1976

John Deere 820	Power: 74 hp[B]	Date of manufacture : 1956 - 1958

John Deere 820	Power: 32 hp	Date of manufacture : 1968 - 1973